123944375

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3332

約数の個数: 20

約数和(自身を含む): 157468344

約数和(自身を除く): 33523969

約数列:

[1, 5, 25, 61, 125, 305, 625, 1525, 3251, 7625, 16255, 38125, 81275, 198311, 406375, 991555, 2031875, 4957775, 24788875, 123944375]

約数ペア:

[(1, 123944375), (5, 24788875), (25, 4957775), (61, 2031875), (125, 991555), (305, 406375), (625, 198311), (1525, 81275), (3251, 38125), (7625, 16255)]