28288640

素因数分解:

$2^7\times 5^1\times {\mathrm{44201}}^1$

素因数の和:44220

約数の個数: 32

約数和(自身を含む): 67629060

約数和(自身を除く): 39340420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44201, 88402, 176804, 221005, 353608, 442010, 707216, 884020, 1414432, 1768040, 2828864, 3536080, 5657728, 7072160, 14144320, 28288640]

約数ペア:

[(1, 28288640), (2, 14144320), (4, 7072160), (5, 5657728), (8, 3536080), (10, 2828864), (16, 1768040), (20, 1414432), (32, 884020), (40, 707216), (64, 442010), (80, 353608), (128, 221005), (160, 176804), (320, 88402), (640, 44201)]