56855920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64609}}^1$

素因数の和:64633

約数の個数: 40

約数和(自身を含む): 144209520

約数和(自身を除く): 87353600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 64609, 129218, 258436, 323045, 516872, 646090, 710699, 1033744, 1292180, 1421398, 2584360, 2842796, 3553495, 5168720, 5685592, 7106990, 11371184, 14213980, 28427960, 56855920]

約数ペア:

[(1, 56855920), (2, 28427960), (4, 14213980), (5, 11371184), (8, 7106990), (10, 5685592), (11, 5168720), (16, 3553495), (20, 2842796), (22, 2584360), (40, 1421398), (44, 1292180), (55, 1033744), (80, 710699), (88, 646090), (110, 516872), (176, 323045), (220, 258436), (440, 129218), (880, 64609)]