80363125

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1902

約数の個数: 20

約数和(自身を含む): 101892384

約数和(自身を除く): 21529259

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 1811, 8875, 9055, 44375, 45275, 128581, 226375, 642905, 1131875, 3214525, 16072625, 80363125]

約数ペア:

[(1, 80363125), (5, 16072625), (25, 3214525), (71, 1131875), (125, 642905), (355, 226375), (625, 128581), (1775, 45275), (1811, 44375), (8875, 9055)]