109489640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210557}}^1$

素因数の和:210581

約数の個数: 32

約数和(自身を含む): 265303080

約数和(自身を除く): 155813440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 210557, 421114, 842228, 1052785, 1684456, 2105570, 2737241, 4211140, 5474482, 8422280, 10948964, 13686205, 21897928, 27372410, 54744820, 109489640]

約数ペア:

[(1, 109489640), (2, 54744820), (4, 27372410), (5, 21897928), (8, 13686205), (10, 10948964), (13, 8422280), (20, 5474482), (26, 4211140), (40, 2737241), (52, 2105570), (65, 1684456), (104, 1052785), (130, 842228), (260, 421114), (520, 210557)]