20777693950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{68449}}^1$

素因数の和:68941

約数の個数: 48

約数和(自身を含む): 41709049200

約数和(自身を除く): 20931355250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 467, 650, 934, 2335, 4670, 6071, 11675, 12142, 23350, 30355, 60710, 68449, 136898, 151775, 303550, 342245, 684490, 889837, 1711225, 1779674, 3422450, 4449185, 8898370, 22245925, 31965683, 44491850, 63931366, 159828415, 319656830, 415553879, 799142075, 831107758, 1598284150, 2077769395, 4155538790, 10388846975, 20777693950]

約数ペア:

[(1, 20777693950), (2, 10388846975), (5, 4155538790), (10, 2077769395), (13, 1598284150), (25, 831107758), (26, 799142075), (50, 415553879), (65, 319656830), (130, 159828415), (325, 63931366), (467, 44491850), (650, 31965683), (934, 22245925), (2335, 8898370), (4670, 4449185), (6071, 3422450), (11675, 1779674), (12142, 1711225), (23350, 889837), (30355, 684490), (60710, 342245), (68449, 303550), (136898, 151775)]