20158094875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2383}}^1$

素因数の和:2525

約数の個数: 64

約数和(自身を含む): 27134115840

約数和(自身を除く): 6976020965

約数列:

[1, 5, 25, 31, 37, 59, 125, 155, 185, 295, 775, 925, 1147, 1475, 1829, 2183, 2383, 3875, 4625, 5735, 7375, 9145, 10915, 11915, 28675, 45725, 54575, 59575, 67673, 73873, 88171, 140597, 143375, 228625, 272875, 297875, 338365, 369365, 440855, 702985, 1691825, 1846825, 2204275, 2733301, 3514925, 4358507, 5202089, 8459125, 9234125, 11021375, 13666505, 17574625, 21792535, 26010445, 68332525, 108962675, 130052225, 161264759, 341662625, 544813375, 650261125, 806323795, 4031618975, 20158094875]

約数ペア:

[(1, 20158094875), (5, 4031618975), (25, 806323795), (31, 650261125), (37, 544813375), (59, 341662625), (125, 161264759), (155, 130052225), (185, 108962675), (295, 68332525), (775, 26010445), (925, 21792535), (1147, 17574625), (1475, 13666505), (1829, 11021375), (2183, 9234125), (2383, 8459125), (3875, 5202089), (4625, 4358507), (5735, 3514925), (7375, 2733301), (9145, 2204275), (10915, 1846825), (11915, 1691825), (28675, 702985), (45725, 440855), (54575, 369365), (59575, 338365), (67673, 297875), (73873, 272875), (88171, 228625), (140597, 143375)]