52689100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 119429856

約数和(自身を除く): 66740756

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 71, 82, 100, 142, 164, 181, 205, 284, 355, 362, 410, 710, 724, 820, 905, 1025, 1420, 1775, 1810, 2050, 2911, 3550, 3620, 4100, 4525, 5822, 7100, 7421, 9050, 11644, 12851, 14555, 14842, 18100, 25702, 29110, 29684, 37105, 51404, 58220, 64255, 72775, 74210, 128510, 145550, 148420, 185525, 257020, 291100, 321275, 371050, 526891, 642550, 742100, 1053782, 1285100, 2107564, 2634455, 5268910, 10537820, 13172275, 26344550, 52689100]

約数ペア:

[(1, 52689100), (2, 26344550), (4, 13172275), (5, 10537820), (10, 5268910), (20, 2634455), (25, 2107564), (41, 1285100), (50, 1053782), (71, 742100), (82, 642550), (100, 526891), (142, 371050), (164, 321275), (181, 291100), (205, 257020), (284, 185525), (355, 148420), (362, 145550), (410, 128510), (710, 74210), (724, 72775), (820, 64255), (905, 58220), (1025, 51404), (1420, 37105), (1775, 29684), (1810, 29110), (2050, 25702), (2911, 18100), (3550, 14842), (3620, 14555), (4100, 12851), (4525, 11644), (5822, 9050), (7100, 7421)]