28098520

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{977}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 63374400

約数和(自身を除く): 35275880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 977, 1438, 1954, 2876, 3595, 3908, 4885, 5752, 7190, 7816, 9770, 14380, 19540, 28760, 39080, 702463, 1404926, 2809852, 3512315, 5619704, 7024630, 14049260, 28098520]

約数ペア:

[(1, 28098520), (2, 14049260), (4, 7024630), (5, 5619704), (8, 3512315), (10, 2809852), (20, 1404926), (40, 702463), (719, 39080), (977, 28760), (1438, 19540), (1954, 14380), (2876, 9770), (3595, 7816), (3908, 7190), (4885, 5752)]