68127940

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4139}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 143277120

約数和(自身を除く): 75149180

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 4139, 8230, 8278, 16460, 16556, 20695, 41390, 82780, 3406397, 6812794, 13625588, 17031985, 34063970, 68127940]

約数ペア:

[(1, 68127940), (2, 34063970), (4, 17031985), (5, 13625588), (10, 6812794), (20, 3406397), (823, 82780), (1646, 41390), (3292, 20695), (4115, 16556), (4139, 16460), (8230, 8278)]