61345040

素因数分解:

$2^4\times 5^1\times {\mathrm{766813}}^1$

素因数の和:766826

約数の個数: 20

約数和(自身を含む): 142627404

約数和(自身を除く): 81282364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 766813, 1533626, 3067252, 3834065, 6134504, 7668130, 12269008, 15336260, 30672520, 61345040]

約数ペア:

[(1, 61345040), (2, 30672520), (4, 15336260), (5, 12269008), (8, 7668130), (10, 6134504), (16, 3834065), (20, 3067252), (40, 1533626), (80, 766813)]