13216120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2377}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 29962800

約数和(自身を除く): 16746680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2377, 2780, 4754, 5560, 9508, 11885, 19016, 23770, 47540, 95080, 330403, 660806, 1321612, 1652015, 2643224, 3304030, 6608060, 13216120]

約数ペア:

[(1, 13216120), (2, 6608060), (4, 3304030), (5, 2643224), (8, 1652015), (10, 1321612), (20, 660806), (40, 330403), (139, 95080), (278, 47540), (556, 23770), (695, 19016), (1112, 11885), (1390, 9508), (2377, 5560), (2780, 4754)]