5137180

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{647}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 10831968

約数和(自身を除く): 5694788

約数列:

[1, 2, 4, 5, 10, 20, 397, 647, 794, 1294, 1588, 1985, 2588, 3235, 3970, 6470, 7940, 12940, 256859, 513718, 1027436, 1284295, 2568590, 5137180]

約数ペア:

[(1, 5137180), (2, 2568590), (4, 1284295), (5, 1027436), (10, 513718), (20, 256859), (397, 12940), (647, 7940), (794, 6470), (1294, 3970), (1588, 3235), (1985, 2588)]