39397180

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4679}}^1$

素因数の和:5109

約数の個数: 24

約数和(自身を含む): 82948320

約数和(自身を除く): 43551140

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 4679, 8420, 9358, 18716, 23395, 46790, 93580, 1969859, 3939718, 7879436, 9849295, 19698590, 39397180]

約数ペア:

[(1, 39397180), (2, 19698590), (4, 9849295), (5, 7879436), (10, 3939718), (20, 1969859), (421, 93580), (842, 46790), (1684, 23395), (2105, 18716), (4210, 9358), (4679, 8420)]