9870025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 14061600

約数和(自身を除く): 4191575

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 1889, 5225, 9445, 20779, 35891, 47225, 103895, 179455, 394801, 519475, 897275, 1974005, 9870025]

約数ペア:

[(1, 9870025), (5, 1974005), (11, 897275), (19, 519475), (25, 394801), (55, 179455), (95, 103895), (209, 47225), (275, 35891), (475, 20779), (1045, 9445), (1889, 5225)]