79431875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6728

約数の個数: 20

約数和(自身を含む): 104497800

約数和(自身を除く): 25065925

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 6689, 11875, 33445, 127091, 167225, 635455, 836125, 3177275, 4180625, 15886375, 79431875]

約数ペア:

[(1, 79431875), (5, 15886375), (19, 4180625), (25, 3177275), (95, 836125), (125, 635455), (475, 167225), (625, 127091), (2375, 33445), (6689, 11875)]