89030680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54287}}^1$

素因数の和:54339

約数の個数: 32

約数和(自身を含む): 205208640

約数和(自身を除く): 116177960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 54287, 108574, 217148, 271435, 434296, 542870, 1085740, 2171480, 2225767, 4451534, 8903068, 11128835, 17806136, 22257670, 44515340, 89030680]

約数ペア:

[(1, 89030680), (2, 44515340), (4, 22257670), (5, 17806136), (8, 11128835), (10, 8903068), (20, 4451534), (40, 2225767), (41, 2171480), (82, 1085740), (164, 542870), (205, 434296), (328, 271435), (410, 217148), (820, 108574), (1640, 54287)]