7880125

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 10830456

約数和(自身を除く): 2950331

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 521, 605, 1375, 2605, 3025, 5731, 13025, 15125, 28655, 63041, 65125, 143275, 315205, 716375, 1576025, 7880125]

約数ペア:

[(1, 7880125), (5, 1576025), (11, 716375), (25, 315205), (55, 143275), (121, 65125), (125, 63041), (275, 28655), (521, 15125), (605, 13025), (1375, 5731), (2605, 3025)]