12456875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1088

約数の個数: 20

約数和(自身を含む): 16401000

約数和(自身を除く): 3944125

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 1049, 2375, 5245, 11875, 19931, 26225, 99655, 131125, 498275, 655625, 2491375, 12456875]

約数ペア:

[(1, 12456875), (5, 2491375), (19, 655625), (25, 498275), (95, 131125), (125, 99655), (475, 26225), (625, 19931), (1049, 11875), (2375, 5245)]