488048320

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21481}}^1$

素因数の和:21569

約数の個数: 56

約数和(自身を含む): 1178588448

約数和(自身を除く): 690540128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 21481, 22720, 42962, 85924, 107405, 171848, 214810, 343696, 429620, 687392, 859240, 1374784, 1525151, 1718480, 3050302, 3436960, 6100604, 6873920, 7625755, 12201208, 15251510, 24402416, 30503020, 48804832, 61006040, 97609664, 122012080, 244024160, 488048320]

約数ペア:

[(1, 488048320), (2, 244024160), (4, 122012080), (5, 97609664), (8, 61006040), (10, 48804832), (16, 30503020), (20, 24402416), (32, 15251510), (40, 12201208), (64, 7625755), (71, 6873920), (80, 6100604), (142, 3436960), (160, 3050302), (284, 1718480), (320, 1525151), (355, 1374784), (568, 859240), (710, 687392), (1136, 429620), (1420, 343696), (2272, 214810), (2840, 171848), (4544, 107405), (5680, 85924), (11360, 42962), (21481, 22720)]