2021605925

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{542713}}^1$

素因数の和:542872

約数の個数: 12

約数和(自身を含む): 2523620100

約数和(自身を除く): 502014175

約数列:

[1, 5, 25, 149, 745, 3725, 542713, 2713565, 13567825, 80864237, 404321185, 2021605925]

約数ペア:

[(1, 2021605925), (5, 404321185), (25, 80864237), (149, 13567825), (745, 2713565), (3725, 542713)]