56309240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108287}}^1$

素因数の和:108311

約数の個数: 32

約数和(自身を含む): 136442880

約数和(自身を除く): 80133640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108287, 216574, 433148, 541435, 866296, 1082870, 1407731, 2165740, 2815462, 4331480, 5630924, 7038655, 11261848, 14077310, 28154620, 56309240]

約数ペア:

[(1, 56309240), (2, 28154620), (4, 14077310), (5, 11261848), (8, 7038655), (10, 5630924), (13, 4331480), (20, 2815462), (26, 2165740), (40, 1407731), (52, 1082870), (65, 866296), (104, 541435), (130, 433148), (260, 216574), (520, 108287)]