39139940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{279571}}^1$

素因数の和:279587

約数の個数: 24

約数和(自身を含む): 93936192

約数和(自身を除く): 54796252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 279571, 559142, 1118284, 1397855, 1956997, 2795710, 3913994, 5591420, 7827988, 9784985, 19569970, 39139940]

約数ペア:

[(1, 39139940), (2, 19569970), (4, 9784985), (5, 7827988), (7, 5591420), (10, 3913994), (14, 2795710), (20, 1956997), (28, 1397855), (35, 1118284), (70, 559142), (140, 279571)]