123456875

素因数分解:

$5^4\times {\mathrm{53}}^1\times {\mathrm{3727}}^1$

素因数の和:3800

約数の個数: 20

約数和(自身を含む): 157224672

約数和(自身を除く): 33767797

約数列:

[1, 5, 25, 53, 125, 265, 625, 1325, 3727, 6625, 18635, 33125, 93175, 197531, 465875, 987655, 2329375, 4938275, 24691375, 123456875]

約数ペア:

[(1, 123456875), (5, 24691375), (25, 4938275), (53, 2329375), (125, 987655), (265, 465875), (625, 197531), (1325, 93175), (3727, 33125), (6625, 18635)]