23958040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^2$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 56047680

約数和(自身を除く): 32089640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1112, 1240, 1390, 2780, 4309, 5560, 8618, 17236, 19321, 21545, 34472, 38642, 43090, 77284, 86180, 96605, 154568, 172360, 193210, 386420, 598951, 772840, 1197902, 2395804, 2994755, 4791608, 5989510, 11979020, 23958040]

約数ペア:

[(1, 23958040), (2, 11979020), (4, 5989510), (5, 4791608), (8, 2994755), (10, 2395804), (20, 1197902), (31, 772840), (40, 598951), (62, 386420), (124, 193210), (139, 172360), (155, 154568), (248, 96605), (278, 86180), (310, 77284), (556, 43090), (620, 38642), (695, 34472), (1112, 21545), (1240, 19321), (1390, 17236), (2780, 8618), (4309, 5560)]