31473040

素因数分解:

$2^4\times 5^1\times {\mathrm{393413}}^1$

素因数の和:393426

約数の個数: 20

約数和(自身を含む): 73175004

約数和(自身を除く): 41701964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393413, 786826, 1573652, 1967065, 3147304, 3934130, 6294608, 7868260, 15736520, 31473040]

約数ペア:

[(1, 31473040), (2, 15736520), (4, 7868260), (5, 6294608), (8, 3934130), (10, 3147304), (16, 1967065), (20, 1573652), (40, 786826), (80, 393413)]