68875025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 88827648

約数和(自身を除く): 19952623

約数列:

[1, 5, 25, 31, 155, 181, 491, 775, 905, 2455, 4525, 5611, 12275, 15221, 28055, 76105, 88871, 140275, 380525, 444355, 2221775, 2755001, 13775005, 68875025]

約数ペア:

[(1, 68875025), (5, 13775005), (25, 2755001), (31, 2221775), (155, 444355), (181, 380525), (491, 140275), (775, 88871), (905, 76105), (2455, 28055), (4525, 15221), (5611, 12275)]