28810340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3821}}^1$

素因数の和:3872

約数の個数: 48

約数和(自身を含む): 67420080

約数和(自身を除く): 38609740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 3821, 7540, 7642, 15284, 19105, 38210, 49673, 76420, 99346, 110809, 198692, 221618, 248365, 443236, 496730, 554045, 993460, 1108090, 1440517, 2216180, 2881034, 5762068, 7202585, 14405170, 28810340]

約数ペア:

[(1, 28810340), (2, 14405170), (4, 7202585), (5, 5762068), (10, 2881034), (13, 2216180), (20, 1440517), (26, 1108090), (29, 993460), (52, 554045), (58, 496730), (65, 443236), (116, 248365), (130, 221618), (145, 198692), (260, 110809), (290, 99346), (377, 76420), (580, 49673), (754, 38210), (1508, 19105), (1885, 15284), (3770, 7642), (3821, 7540)]