201633999880

素因数分解:

$2^3\times 5^1\times {\mathrm{11981}}^1\times {\mathrm{420737}}^1$

素因数の和:432729

約数の個数: 32

約数和(自身を含む): 453715444440

約数和(自身を除く): 252081444560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11981, 23962, 47924, 59905, 95848, 119810, 239620, 420737, 479240, 841474, 1682948, 2103685, 3365896, 4207370, 8414740, 16829480, 5040849997, 10081699994, 20163399988, 25204249985, 40326799976, 50408499970, 100816999940, 201633999880]

約数ペア:

[(1, 201633999880), (2, 100816999940), (4, 50408499970), (5, 40326799976), (8, 25204249985), (10, 20163399988), (20, 10081699994), (40, 5040849997), (11981, 16829480), (23962, 8414740), (47924, 4207370), (59905, 3365896), (95848, 2103685), (119810, 1682948), (239620, 841474), (420737, 479240)]