87406960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25409}}^1$

素因数の和:25465

約数の個数: 40

約数和(自身を含む): 207955440

約数和(自身を除く): 120548480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 25409, 50818, 101636, 127045, 203272, 254090, 406544, 508180, 1016360, 1092587, 2032720, 2185174, 4370348, 5462935, 8740696, 10925870, 17481392, 21851740, 43703480, 87406960]

約数ペア:

[(1, 87406960), (2, 43703480), (4, 21851740), (5, 17481392), (8, 10925870), (10, 8740696), (16, 5462935), (20, 4370348), (40, 2185174), (43, 2032720), (80, 1092587), (86, 1016360), (172, 508180), (215, 406544), (344, 254090), (430, 203272), (688, 127045), (860, 101636), (1720, 50818), (3440, 25409)]