66908375

素因数分解:

$5^3\times {\mathrm{83}}^1\times {\mathrm{6449}}^1$

素因数の和:6547

約数の個数: 16

約数和(自身を含む): 84520800

約数和(自身を除く): 17612425

約数列:

[1, 5, 25, 83, 125, 415, 2075, 6449, 10375, 32245, 161225, 535267, 806125, 2676335, 13381675, 66908375]

約数ペア:

[(1, 66908375), (5, 13381675), (25, 2676335), (83, 806125), (125, 535267), (415, 161225), (2075, 32245), (6449, 10375)]