89398340

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{9781}}^1$

素因数の和:10247

約数の個数: 24

約数和(自身を含む): 188166552

約数和(自身を除く): 98768212

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 9781, 19562, 39124, 48905, 97810, 195620, 4469917, 8939834, 17879668, 22349585, 44699170, 89398340]

約数ペア:

[(1, 89398340), (2, 44699170), (4, 22349585), (5, 17879668), (10, 8939834), (20, 4469917), (457, 195620), (914, 97810), (1828, 48905), (2285, 39124), (4570, 19562), (9140, 9781)]