20598952960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:632

約数の個数: 176

約数和(自身を含む): 50558607360

約数和(自身を除く): 29959654400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 127, 128, 158, 160, 254, 256, 316, 320, 395, 401, 508, 512, 632, 635, 640, 790, 802, 1016, 1024, 1264, 1270, 1280, 1580, 1604, 2005, 2032, 2528, 2540, 2560, 3160, 3208, 4010, 4064, 5056, 5080, 5120, 6320, 6416, 8020, 8128, 10033, 10112, 10160, 12640, 12832, 16040, 16256, 20066, 20224, 20320, 25280, 25664, 31679, 32080, 32512, 40132, 40448, 40640, 50165, 50560, 50927, 51328, 63358, 64160, 65024, 80264, 80896, 81280, 100330, 101120, 101854, 102656, 126716, 128320, 130048, 158395, 160528, 162560, 200660, 202240, 203708, 205312, 253432, 254635, 256640, 316790, 321056, 325120, 401320, 404480, 407416, 410624, 506864, 509270, 513280, 633580, 642112, 650240, 802640, 814832, 1013728, 1018540, 1026560, 1267160, 1284224, 1605280, 1629664, 2027456, 2037080, 2053120, 2534320, 2568448, 3210560, 3259328, 4023233, 4054912, 4074160, 5068640, 5136896, 6421120, 6518656, 8046466, 8109824, 8148320, 10137280, 10273792, 12842240, 13037312, 16092932, 16219648, 16296640, 20116165, 20274560, 25684480, 26074624, 32185864, 32439296, 32593280, 40232330, 40549120, 51368960, 52149248, 64371728, 65186560, 80464660, 81098240, 128743456, 130373120, 160929320, 162196480, 257486912, 260746240, 321858640, 514973824, 643717280, 1029947648, 1287434560, 2059895296, 2574869120, 4119790592, 5149738240, 10299476480, 20598952960]

約数ペア:

[(1, 20598952960), (2, 10299476480), (4, 5149738240), (5, 4119790592), (8, 2574869120), (10, 2059895296), (16, 1287434560), (20, 1029947648), (32, 643717280), (40, 514973824), (64, 321858640), (79, 260746240), (80, 257486912), (127, 162196480), (128, 160929320), (158, 130373120), (160, 128743456), (254, 81098240), (256, 80464660), (316, 65186560), (320, 64371728), (395, 52149248), (401, 51368960), (508, 40549120), (512, 40232330), (632, 32593280), (635, 32439296), (640, 32185864), (790, 26074624), (802, 25684480), (1016, 20274560), (1024, 20116165), (1264, 16296640), (1270, 16219648), (1280, 16092932), (1580, 13037312), (1604, 12842240), (2005, 10273792), (2032, 10137280), (2528, 8148320), (2540, 8109824), (2560, 8046466), (3160, 6518656), (3208, 6421120), (4010, 5136896), (4064, 5068640), (5056, 4074160), (5080, 4054912), (5120, 4023233), (6320, 3259328), (6416, 3210560), (8020, 2568448), (8128, 2534320), (10033, 2053120), (10112, 2037080), (10160, 2027456), (12640, 1629664), (12832, 1605280), (16040, 1284224), (16256, 1267160), (20066, 1026560), (20224, 1018540), (20320, 1013728), (25280, 814832), (25664, 802640), (31679, 650240), (32080, 642112), (32512, 633580), (40132, 513280), (40448, 509270), (40640, 506864), (50165, 410624), (50560, 407416), (50927, 404480), (51328, 401320), (63358, 325120), (64160, 321056), (65024, 316790), (80264, 256640), (80896, 254635), (81280, 253432), (100330, 205312), (101120, 203708), (101854, 202240), (102656, 200660), (126716, 162560), (128320, 160528), (130048, 158395)]