20044375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2500

約数の個数: 20

約数和(自身を含む): 26985112

約数和(自身を除く): 6940737

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 2467, 8125, 12335, 32071, 61675, 160355, 308375, 801775, 1541875, 4008875, 20044375]

約数ペア:

[(1, 20044375), (5, 4008875), (13, 1541875), (25, 801775), (65, 308375), (125, 160355), (325, 61675), (625, 32071), (1625, 12335), (2467, 8125)]