786920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 1797120

約数和(自身を除く): 1010200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 191, 206, 382, 412, 515, 764, 824, 955, 1030, 1528, 1910, 2060, 3820, 4120, 7640, 19673, 39346, 78692, 98365, 157384, 196730, 393460, 786920]

約数ペア:

[(1, 786920), (2, 393460), (4, 196730), (5, 157384), (8, 98365), (10, 78692), (20, 39346), (40, 19673), (103, 7640), (191, 4120), (206, 3820), (382, 2060), (412, 1910), (515, 1528), (764, 1030), (824, 955)]