20138575360

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8731}}^1$

素因数の和:8824

約数の個数: 160

約数和(自身を含む): 52096299552

約数和(自身を除く): 31957724192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 128, 136, 160, 170, 212, 256, 265, 272, 320, 340, 424, 512, 530, 544, 640, 680, 848, 901, 1060, 1088, 1280, 1360, 1696, 1802, 2120, 2176, 2560, 2720, 3392, 3604, 4240, 4352, 4505, 5440, 6784, 7208, 8480, 8704, 8731, 9010, 10880, 13568, 14416, 16960, 17462, 18020, 21760, 27136, 28832, 33920, 34924, 36040, 43520, 43655, 57664, 67840, 69848, 72080, 87310, 115328, 135680, 139696, 144160, 148427, 174620, 230656, 279392, 288320, 296854, 349240, 461312, 462743, 558784, 576640, 593708, 698480, 742135, 925486, 1117568, 1153280, 1187416, 1396960, 1484270, 1850972, 2235136, 2306560, 2313715, 2374832, 2793920, 2968540, 3701944, 4470272, 4627430, 4749664, 5587840, 5937080, 7403888, 7866631, 9254860, 9499328, 11175680, 11874160, 14807776, 15733262, 18509720, 18998656, 22351360, 23748320, 29615552, 31466524, 37019440, 37997312, 39333155, 47496640, 59231104, 62933048, 74038880, 75994624, 78666310, 94993280, 118462208, 125866096, 148077760, 157332620, 189986560, 236924416, 251732192, 296155520, 314665240, 379973120, 503464384, 592311040, 629330480, 1006928768, 1184622080, 1258660960, 2013857536, 2517321920, 4027715072, 5034643840, 10069287680, 20138575360]

約数ペア:

[(1, 20138575360), (2, 10069287680), (4, 5034643840), (5, 4027715072), (8, 2517321920), (10, 2013857536), (16, 1258660960), (17, 1184622080), (20, 1006928768), (32, 629330480), (34, 592311040), (40, 503464384), (53, 379973120), (64, 314665240), (68, 296155520), (80, 251732192), (85, 236924416), (106, 189986560), (128, 157332620), (136, 148077760), (160, 125866096), (170, 118462208), (212, 94993280), (256, 78666310), (265, 75994624), (272, 74038880), (320, 62933048), (340, 59231104), (424, 47496640), (512, 39333155), (530, 37997312), (544, 37019440), (640, 31466524), (680, 29615552), (848, 23748320), (901, 22351360), (1060, 18998656), (1088, 18509720), (1280, 15733262), (1360, 14807776), (1696, 11874160), (1802, 11175680), (2120, 9499328), (2176, 9254860), (2560, 7866631), (2720, 7403888), (3392, 5937080), (3604, 5587840), (4240, 4749664), (4352, 4627430), (4505, 4470272), (5440, 3701944), (6784, 2968540), (7208, 2793920), (8480, 2374832), (8704, 2313715), (8731, 2306560), (9010, 2235136), (10880, 1850972), (13568, 1484270), (14416, 1396960), (16960, 1187416), (17462, 1153280), (18020, 1117568), (21760, 925486), (27136, 742135), (28832, 698480), (33920, 593708), (34924, 576640), (36040, 558784), (43520, 462743), (43655, 461312), (57664, 349240), (67840, 296854), (69848, 288320), (72080, 279392), (87310, 230656), (115328, 174620), (135680, 148427), (139696, 144160)]