2017857040

素因数分解:

$2^4\times 5^1\times {\mathrm{25223213}}^1$

素因数の和:25223226

約数の個数: 20

約数和(自身を含む): 4691517804

約数和(自身を除く): 2673660764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25223213, 50446426, 100892852, 126116065, 201785704, 252232130, 403571408, 504464260, 1008928520, 2017857040]

約数ペア:

[(1, 2017857040), (2, 1008928520), (4, 504464260), (5, 403571408), (8, 252232130), (10, 201785704), (16, 126116065), (20, 100892852), (40, 50446426), (80, 25223213)]