13036375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 18720000

約数和(自身を除く): 5683625

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 499, 1045, 1375, 2375, 2495, 5225, 5489, 9481, 12475, 26125, 27445, 47405, 62375, 104291, 137225, 237025, 521455, 686125, 1185125, 2607275, 13036375]

約数ペア:

[(1, 13036375), (5, 2607275), (11, 1185125), (19, 686125), (25, 521455), (55, 237025), (95, 137225), (125, 104291), (209, 62375), (275, 47405), (475, 27445), (499, 26125), (1045, 12475), (1375, 9481), (2375, 5489), (2495, 5225)]