79519375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{9787}}^1$

素因数の和:9820

約数の個数: 20

約数和(自身を含む): 107021992

約数和(自身を除く): 27502617

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 9787, 48935, 127231, 244675, 636155, 1223375, 3180775, 6116875, 15903875, 79519375]

約数ペア:

[(1, 79519375), (5, 15903875), (13, 6116875), (25, 3180775), (65, 1223375), (125, 636155), (325, 244675), (625, 127231), (1625, 48935), (8125, 9787)]