1675640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 3808080

約数和(自身を除く): 2132440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 257, 326, 514, 652, 815, 1028, 1285, 1304, 1630, 2056, 2570, 3260, 5140, 6520, 10280, 41891, 83782, 167564, 209455, 335128, 418910, 837820, 1675640]

約数ペア:

[(1, 1675640), (2, 837820), (4, 418910), (5, 335128), (8, 209455), (10, 167564), (20, 83782), (40, 41891), (163, 10280), (257, 6520), (326, 5140), (514, 3260), (652, 2570), (815, 2056), (1028, 1630), (1285, 1304)]