90105920

素因数分解:

$2^6\times 5^1\times {\mathrm{281581}}^1$

素因数の和:281598

約数の個数: 28

約数和(自身を含む): 214565484

約数和(自身を除く): 124459564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 281581, 563162, 1126324, 1407905, 2252648, 2815810, 4505296, 5631620, 9010592, 11263240, 18021184, 22526480, 45052960, 90105920]

約数ペア:

[(1, 90105920), (2, 45052960), (4, 22526480), (5, 18021184), (8, 11263240), (10, 9010592), (16, 5631620), (20, 4505296), (32, 2815810), (40, 2252648), (64, 1407905), (80, 1126324), (160, 563162), (320, 281581)]