15851240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7477}}^1$

素因数の和:7541

約数の個数: 32

約数和(自身を含む): 36343080

約数和(自身を除く): 20491840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7477, 14954, 29908, 37385, 59816, 74770, 149540, 299080, 396281, 792562, 1585124, 1981405, 3170248, 3962810, 7925620, 15851240]

約数ペア:

[(1, 15851240), (2, 7925620), (4, 3962810), (5, 3170248), (8, 1981405), (10, 1585124), (20, 792562), (40, 396281), (53, 299080), (106, 149540), (212, 74770), (265, 59816), (424, 37385), (530, 29908), (1060, 14954), (2120, 7477)]