27953980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2801}}^1$

素因数の和:3309

約数の個数: 24

約数和(自身を含む): 58842000

約数和(自身を除く): 30888020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 2801, 4990, 5602, 9980, 11204, 14005, 28010, 56020, 1397699, 2795398, 5590796, 6988495, 13976990, 27953980]

約数ペア:

[(1, 27953980), (2, 13976990), (4, 6988495), (5, 5590796), (10, 2795398), (20, 1397699), (499, 56020), (998, 28010), (1996, 14005), (2495, 11204), (2801, 9980), (4990, 5602)]