25447175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 36080280

約数和(自身を除く): 10633105

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 317, 325, 475, 845, 1235, 1585, 3211, 4121, 4225, 6023, 6175, 7925, 16055, 20605, 30115, 53573, 78299, 80275, 103025, 150575, 267865, 391495, 1017887, 1339325, 1957475, 5089435, 25447175]

約数ペア:

[(1, 25447175), (5, 5089435), (13, 1957475), (19, 1339325), (25, 1017887), (65, 391495), (95, 267865), (169, 150575), (247, 103025), (317, 80275), (325, 78299), (475, 53573), (845, 30115), (1235, 20605), (1585, 16055), (3211, 7925), (4121, 6175), (4225, 6023)]