89855620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{20147}}^1$

素因数の和:20379

約数の個数: 24

約数和(自身を含む): 189552384

約数和(自身を除く): 99696764

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 20147, 40294, 80588, 100735, 201470, 402940, 4492781, 8985562, 17971124, 22463905, 44927810, 89855620]

約数ペア:

[(1, 89855620), (2, 44927810), (4, 22463905), (5, 17971124), (10, 8985562), (20, 4492781), (223, 402940), (446, 201470), (892, 100735), (1115, 80588), (2230, 40294), (4460, 20147)]