79857475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 105462000

約数和(自身を除く): 25604525

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 1889, 2225, 8455, 9445, 35891, 42275, 47225, 168121, 179455, 840605, 897275, 3194299, 4203025, 15971495, 79857475]

約数ペア:

[(1, 79857475), (5, 15971495), (19, 4203025), (25, 3194299), (89, 897275), (95, 840605), (445, 179455), (475, 168121), (1691, 47225), (1889, 42275), (2225, 35891), (8455, 9445)]