31413040

素因数分解:

$2^4\times 5^1\times {\mathrm{392663}}^1$

素因数の和:392676

約数の個数: 20

約数和(自身を含む): 73035504

約数和(自身を除く): 41622464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392663, 785326, 1570652, 1963315, 3141304, 3926630, 6282608, 7853260, 15706520, 31413040]

約数ペア:

[(1, 31413040), (2, 15706520), (4, 7853260), (5, 6282608), (8, 3926630), (10, 3141304), (16, 1963315), (20, 1570652), (40, 785326), (80, 392663)]