68136140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109897}}^1$

素因数の和:109937

約数の個数: 24

約数和(自身を含む): 147702912

約数和(自身を除く): 79566772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 109897, 219794, 439588, 549485, 1098970, 2197940, 3406807, 6813614, 13627228, 17034035, 34068070, 68136140]

約数ペア:

[(1, 68136140), (2, 34068070), (4, 17034035), (5, 13627228), (10, 6813614), (20, 3406807), (31, 2197940), (62, 1098970), (124, 549485), (155, 439588), (310, 219794), (620, 109897)]