100204040

素因数分解:

$2^3\times 5^1\times {\mathrm{2505101}}^1$

素因数の和:2505112

約数の個数: 16

約数和(自身を含む): 225459180

約数和(自身を除く): 125255140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2505101, 5010202, 10020404, 12525505, 20040808, 25051010, 50102020, 100204040]

約数ペア:

[(1, 100204040), (2, 50102020), (4, 25051010), (5, 20040808), (8, 12525505), (10, 10020404), (20, 5010202), (40, 2505101)]