86198725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 113832000

約数和(自身を除く): 27633275

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2039, 2225, 8455, 10195, 38741, 42275, 50975, 181471, 193705, 907355, 968525, 3447949, 4536775, 17239745, 86198725]

約数ペア:

[(1, 86198725), (5, 17239745), (19, 4536775), (25, 3447949), (89, 968525), (95, 907355), (445, 193705), (475, 181471), (1691, 50975), (2039, 42275), (2225, 38741), (8455, 10195)]