201630640

素因数分解:

$2^4\times 5^1\times {\mathrm{2520383}}^1$

素因数の和:2520396

約数の個数: 20

約数和(自身を含む): 468791424

約数和(自身を除く): 267160784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520383, 5040766, 10081532, 12601915, 20163064, 25203830, 40326128, 50407660, 100815320, 201630640]

約数ペア:

[(1, 201630640), (2, 100815320), (4, 50407660), (5, 40326128), (8, 25203830), (10, 20163064), (16, 12601915), (20, 10081532), (40, 5040766), (80, 2520383)]