86443640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127123}}^1$

素因数の和:127151

約数の個数: 32

約数和(自身を含む): 205940880

約数和(自身を除く): 119497240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 127123, 254246, 508492, 635615, 1016984, 1271230, 2161091, 2542460, 4322182, 5084920, 8644364, 10805455, 17288728, 21610910, 43221820, 86443640]

約数ペア:

[(1, 86443640), (2, 43221820), (4, 21610910), (5, 17288728), (8, 10805455), (10, 8644364), (17, 5084920), (20, 4322182), (34, 2542460), (40, 2161091), (68, 1271230), (85, 1016984), (136, 635615), (170, 508492), (340, 254246), (680, 127123)]