57720140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{93097}}^1$

素因数の和:93137

約数の個数: 24

約数和(自身を含む): 125123712

約数和(自身を除く): 67403572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 93097, 186194, 372388, 465485, 930970, 1861940, 2886007, 5772014, 11544028, 14430035, 28860070, 57720140]

約数ペア:

[(1, 57720140), (2, 28860070), (4, 14430035), (5, 11544028), (10, 5772014), (20, 2886007), (31, 1861940), (62, 930970), (124, 465485), (155, 372388), (310, 186194), (620, 93097)]