2602780

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 5503680

約数和(自身を除く): 2900900

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 719, 724, 905, 1438, 1810, 2876, 3595, 3620, 7190, 14380, 130139, 260278, 520556, 650695, 1301390, 2602780]

約数ペア:

[(1, 2602780), (2, 1301390), (4, 650695), (5, 520556), (10, 260278), (20, 130139), (181, 14380), (362, 7190), (719, 3620), (724, 3595), (905, 2876), (1438, 1810)]