8538725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 11981376

約数和(自身を除く): 3442651

約数列:

[1, 5, 13, 25, 43, 47, 65, 169, 215, 235, 325, 559, 611, 845, 1075, 1175, 2021, 2795, 3055, 4225, 7267, 7943, 10105, 13975, 15275, 26273, 36335, 39715, 50525, 131365, 181675, 198575, 341549, 656825, 1707745, 8538725]

約数ペア:

[(1, 8538725), (5, 1707745), (13, 656825), (25, 341549), (43, 198575), (47, 181675), (65, 131365), (169, 50525), (215, 39715), (235, 36335), (325, 26273), (559, 15275), (611, 13975), (845, 10105), (1075, 7943), (1175, 7267), (2021, 4225), (2795, 3055)]