667346875

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{16427}}^1$

素因数の和:16465

約数の個数: 24

約数和(自身を含む): 898348752

約数和(自身を除く): 231001877

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3125, 8125, 16427, 40625, 82135, 213551, 410675, 1067755, 2053375, 5338775, 10266875, 26693875, 51334375, 133469375, 667346875]

約数ペア:

[(1, 667346875), (5, 133469375), (13, 51334375), (25, 26693875), (65, 10266875), (125, 5338775), (325, 2053375), (625, 1067755), (1625, 410675), (3125, 213551), (8125, 82135), (16427, 40625)]