870237505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1\times {\mathrm{4001}}^1$

素因数の和:5108

約数の個数: 16

約数和(自身を含む): 1071031248

約数和(自身を除く): 200793743

約数列:

[1, 5, 41, 205, 1061, 4001, 5305, 20005, 43501, 164041, 217505, 820205, 4245061, 21225305, 174047501, 870237505]

約数ペア:

[(1, 870237505), (5, 174047501), (41, 21225305), (205, 4245061), (1061, 820205), (4001, 217505), (5305, 164041), (20005, 43501)]