420105025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{542071}}^1$

素因数の和:542112

約数の個数: 12

約数和(自身を含む): 537735424

約数和(自身を除く): 117630399

約数列:

[1, 5, 25, 31, 155, 775, 542071, 2710355, 13551775, 16804201, 84021005, 420105025]

約数ペア:

[(1, 420105025), (5, 84021005), (25, 16804201), (31, 13551775), (155, 2710355), (775, 542071)]