68436875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{8423}}^1$

素因数の和:8456

約数の個数: 20

約数和(自身を含む): 92108016

約数和(自身を除く): 23671141

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 8423, 42115, 109499, 210575, 547495, 1052875, 2737475, 5264375, 13687375, 68436875]

約数ペア:

[(1, 68436875), (5, 13687375), (13, 5264375), (25, 2737475), (65, 1052875), (125, 547495), (325, 210575), (625, 109499), (1625, 42115), (8125, 8423)]