7980475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 10646640

約数和(自身を除く): 2666165

約数列:

[1, 5, 19, 25, 53, 95, 265, 317, 475, 1007, 1325, 1585, 5035, 6023, 7925, 16801, 25175, 30115, 84005, 150575, 319219, 420025, 1596095, 7980475]

約数ペア:

[(1, 7980475), (5, 1596095), (19, 420025), (25, 319219), (53, 150575), (95, 84005), (265, 30115), (317, 25175), (475, 16801), (1007, 7925), (1325, 6023), (1585, 5035)]