15201875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1904

約数の個数: 20

約数和(自身を含む): 20468448

約数和(自身を除く): 5266573

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 1871, 8125, 9355, 24323, 46775, 121615, 233875, 608075, 1169375, 3040375, 15201875]

約数ペア:

[(1, 15201875), (5, 3040375), (13, 1169375), (25, 608075), (65, 233875), (125, 121615), (325, 46775), (625, 24323), (1625, 9355), (1871, 8125)]