80645620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21563}}^1$

素因数の和:21600

約数の個数: 48

約数和(自身を含む): 195628608

約数和(自身を除く): 114982988

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21563, 43126, 86252, 107815, 215630, 237193, 366571, 431260, 474386, 733142, 948772, 1185965, 1466284, 1832855, 2371930, 3665710, 4032281, 4743860, 7331420, 8064562, 16129124, 20161405, 40322810, 80645620]

約数ペア:

[(1, 80645620), (2, 40322810), (4, 20161405), (5, 16129124), (10, 8064562), (11, 7331420), (17, 4743860), (20, 4032281), (22, 3665710), (34, 2371930), (44, 1832855), (55, 1466284), (68, 1185965), (85, 948772), (110, 733142), (170, 474386), (187, 431260), (220, 366571), (340, 237193), (374, 215630), (748, 107815), (935, 86252), (1870, 43126), (3740, 21563)]