82400180

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4217}}^1$

素因数の和:5203

約数の個数: 24

約数和(自身を含む): 173258568

約数和(自身を除く): 90858388

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4217, 4885, 8434, 9770, 16868, 19540, 21085, 42170, 84340, 4120009, 8240018, 16480036, 20600045, 41200090, 82400180]

約数ペア:

[(1, 82400180), (2, 41200090), (4, 20600045), (5, 16480036), (10, 8240018), (20, 4120009), (977, 84340), (1954, 42170), (3908, 21085), (4217, 19540), (4885, 16868), (8434, 9770)]