15678087020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2213}}^1\times {\mathrm{5807}}^1$

素因数の和:8090

約数の個数: 48

約数和(自身を含む): 33484606848

約数和(自身を除く): 17806519828

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2213, 4426, 5807, 8852, 11065, 11614, 22130, 23228, 29035, 44260, 58070, 116140, 134993, 269986, 354227, 539972, 674965, 708454, 1349930, 1416908, 1771135, 2699860, 3542270, 7084540, 12850891, 25701782, 51403564, 64254455, 128508910, 257017820, 783904351, 1567808702, 3135617404, 3919521755, 7839043510, 15678087020]

約数ペア:

[(1, 15678087020), (2, 7839043510), (4, 3919521755), (5, 3135617404), (10, 1567808702), (20, 783904351), (61, 257017820), (122, 128508910), (244, 64254455), (305, 51403564), (610, 25701782), (1220, 12850891), (2213, 7084540), (4426, 3542270), (5807, 2699860), (8852, 1771135), (11065, 1416908), (11614, 1349930), (22130, 708454), (23228, 674965), (29035, 539972), (44260, 354227), (58070, 269986), (116140, 134993)]