87621940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{625871}}^1$

素因数の和:625887

約数の個数: 24

約数和(自身を含む): 210292992

約数和(自身を除く): 122671052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 625871, 1251742, 2503484, 3129355, 4381097, 6258710, 8762194, 12517420, 17524388, 21905485, 43810970, 87621940]

約数ペア:

[(1, 87621940), (2, 43810970), (4, 21905485), (5, 17524388), (7, 12517420), (10, 8762194), (14, 6258710), (20, 4381097), (28, 3129355), (35, 2503484), (70, 1251742), (140, 625871)]