518442020

素因数分解:

$2^2\times 5^1\times {\mathrm{3079}}^1\times {\mathrm{8419}}^1$

素因数の和:11507

約数の個数: 24

約数和(自身を含む): 1089211200

約数和(自身を除く): 570769180

約数列:

[1, 2, 4, 5, 10, 20, 3079, 6158, 8419, 12316, 15395, 16838, 30790, 33676, 42095, 61580, 84190, 168380, 25922101, 51844202, 103688404, 129610505, 259221010, 518442020]

約数ペア:

[(1, 518442020), (2, 259221010), (4, 129610505), (5, 103688404), (10, 51844202), (20, 25922101), (3079, 168380), (6158, 84190), (8419, 61580), (12316, 42095), (15395, 33676), (16838, 30790)]