88388920

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3343}}^1$

素因数の和:4015

約数の個数: 32

約数和(自身を含む): 199235520

約数和(自身を除く): 110846600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 3343, 5288, 6610, 6686, 13220, 13372, 16715, 26440, 26744, 33430, 66860, 133720, 2209723, 4419446, 8838892, 11048615, 17677784, 22097230, 44194460, 88388920]

約数ペア:

[(1, 88388920), (2, 44194460), (4, 22097230), (5, 17677784), (8, 11048615), (10, 8838892), (20, 4419446), (40, 2209723), (661, 133720), (1322, 66860), (2644, 33430), (3305, 26744), (3343, 26440), (5288, 16715), (6610, 13372), (6686, 13220)]