28527940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203771}}^1$

素因数の和:203787

約数の個数: 24

約数和(自身を含む): 68467392

約数和(自身を除く): 39939452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203771, 407542, 815084, 1018855, 1426397, 2037710, 2852794, 4075420, 5705588, 7131985, 14263970, 28527940]

約数ペア:

[(1, 28527940), (2, 14263970), (4, 7131985), (5, 5705588), (7, 4075420), (10, 2852794), (14, 2037710), (20, 1426397), (28, 1018855), (35, 815084), (70, 407542), (140, 203771)]