20848888960

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{1433}}^1$

素因数の和:1758

約数の個数: 128

約数和(自身を含む): 50550220800

約数和(自身を除く): 29701331840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 179, 254, 320, 358, 508, 635, 640, 716, 895, 1016, 1270, 1432, 1433, 1790, 2032, 2540, 2864, 2866, 3580, 4064, 5080, 5728, 5732, 7160, 7165, 8128, 10160, 11456, 11464, 14320, 14330, 16256, 20320, 22733, 22912, 22928, 28640, 28660, 40640, 45466, 45856, 57280, 57320, 81280, 90932, 91712, 113665, 114560, 114640, 181864, 181991, 183424, 227330, 229280, 256507, 363728, 363982, 454660, 458560, 513014, 727456, 727964, 909320, 909955, 917120, 1026028, 1282535, 1454912, 1455928, 1818640, 1819910, 2052056, 2565070, 2909824, 2911856, 3637280, 3639820, 4104112, 5130140, 5823712, 7274560, 7279640, 8208224, 10260280, 11647424, 14549120, 14559280, 16416448, 20520560, 23294848, 29118560, 32576389, 32832896, 41041120, 58237120, 65152778, 82082240, 116474240, 130305556, 162881945, 164164480, 260611112, 325763890, 521222224, 651527780, 1042444448, 1303055560, 2084888896, 2606111120, 4169777792, 5212222240, 10424444480, 20848888960]

約数ペア:

[(1, 20848888960), (2, 10424444480), (4, 5212222240), (5, 4169777792), (8, 2606111120), (10, 2084888896), (16, 1303055560), (20, 1042444448), (32, 651527780), (40, 521222224), (64, 325763890), (80, 260611112), (127, 164164480), (128, 162881945), (160, 130305556), (179, 116474240), (254, 82082240), (320, 65152778), (358, 58237120), (508, 41041120), (635, 32832896), (640, 32576389), (716, 29118560), (895, 23294848), (1016, 20520560), (1270, 16416448), (1432, 14559280), (1433, 14549120), (1790, 11647424), (2032, 10260280), (2540, 8208224), (2864, 7279640), (2866, 7274560), (3580, 5823712), (4064, 5130140), (5080, 4104112), (5728, 3639820), (5732, 3637280), (7160, 2911856), (7165, 2909824), (8128, 2565070), (10160, 2052056), (11456, 1819910), (11464, 1818640), (14320, 1455928), (14330, 1454912), (16256, 1282535), (20320, 1026028), (22733, 917120), (22912, 909955), (22928, 909320), (28640, 727964), (28660, 727456), (40640, 513014), (45466, 458560), (45856, 454660), (57280, 363982), (57320, 363728), (81280, 256507), (90932, 229280), (91712, 227330), (113665, 183424), (114560, 181991), (114640, 181864)]