401292020

素因数分解:

$2^2\times 5^1\times {\mathrm{4919}}^1\times {\mathrm{4079}}^1$

素因数の和:9007

約数の個数: 24

約数和(自身を含む): 843091200

約数和(自身を除く): 441799180

約数列:

[1, 2, 4, 5, 10, 20, 4079, 4919, 8158, 9838, 16316, 19676, 20395, 24595, 40790, 49190, 81580, 98380, 20064601, 40129202, 80258404, 100323005, 200646010, 401292020]

約数ペア:

[(1, 401292020), (2, 200646010), (4, 100323005), (5, 80258404), (10, 40129202), (20, 20064601), (4079, 98380), (4919, 81580), (8158, 49190), (9838, 40790), (16316, 24595), (19676, 20395)]