2080483820

素因数分解:

$2^2\times 5^1\times {\mathrm{4999}}^1\times {\mathrm{20809}}^1$

素因数の和:25817

約数の個数: 24

約数和(自身を含む): 4370100000

約数和(自身を除く): 2289616180

約数列:

[1, 2, 4, 5, 10, 20, 4999, 9998, 19996, 20809, 24995, 41618, 49990, 83236, 99980, 104045, 208090, 416180, 104024191, 208048382, 416096764, 520120955, 1040241910, 2080483820]

約数ペア:

[(1, 2080483820), (2, 1040241910), (4, 520120955), (5, 416096764), (10, 208048382), (20, 104024191), (4999, 416180), (9998, 208090), (19996, 104045), (20809, 99980), (24995, 83236), (41618, 49990)]