40105820

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2789}}^1$

素因数の和:3517

約数の個数: 24

約数和(自身を含む): 84369600

約数和(自身を除く): 44263780

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2789, 2876, 3595, 5578, 7190, 11156, 13945, 14380, 27890, 55780, 2005291, 4010582, 8021164, 10026455, 20052910, 40105820]

約数ペア:

[(1, 40105820), (2, 20052910), (4, 10026455), (5, 8021164), (10, 4010582), (20, 2005291), (719, 55780), (1438, 27890), (2789, 14380), (2876, 13945), (3595, 11156), (5578, 7190)]