200607980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{20101}}^1$

素因数の和:20609

約数の個数: 24

約数和(自身を含む): 422142000

約数和(自身を除く): 221534020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 20101, 40202, 80404, 100505, 201010, 402020, 10030399, 20060798, 40121596, 50151995, 100303990, 200607980]

約数ペア:

[(1, 200607980), (2, 100303990), (4, 50151995), (5, 40121596), (10, 20060798), (20, 10030399), (499, 402020), (998, 201010), (1996, 100505), (2495, 80404), (4990, 40202), (9980, 20101)]