30521620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10979}}^1$

素因数の和:11127

約数の個数: 24

約数和(自身を含む): 64562400

約数和(自身を除く): 34040780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 10979, 21958, 43916, 54895, 109790, 219580, 1526081, 3052162, 6104324, 7630405, 15260810, 30521620]

約数ペア:

[(1, 30521620), (2, 15260810), (4, 7630405), (5, 6104324), (10, 3052162), (20, 1526081), (139, 219580), (278, 109790), (556, 54895), (695, 43916), (1390, 21958), (2780, 10979)]