2015576875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{248071}}^1$

素因数の和:248104

約数の個数: 20

約数和(自身を含む): 2712419248

約数和(自身を除く): 696842373

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 248071, 1240355, 3224923, 6201775, 16124615, 31008875, 80623075, 155044375, 403115375, 2015576875]

約数ペア:

[(1, 2015576875), (5, 403115375), (13, 155044375), (25, 80623075), (65, 31008875), (125, 16124615), (325, 6201775), (625, 3224923), (1625, 1240355), (8125, 248071)]