81596870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2381}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 154353600

約数和(自身を除く): 72756730

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 2381, 3427, 4762, 6854, 11905, 17135, 23810, 34270, 54763, 109526, 273815, 354769, 547630, 709538, 1773845, 3547690, 8159687, 16319374, 40798435, 81596870]

約数ペア:

[(1, 81596870), (2, 40798435), (5, 16319374), (10, 8159687), (23, 3547690), (46, 1773845), (115, 709538), (149, 547630), (230, 354769), (298, 273815), (745, 109526), (1490, 54763), (2381, 34270), (3427, 23810), (4762, 17135), (6854, 11905)]