121029080

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{7187}}^1$

素因数の和:7619

約数の個数: 32

約数和(自身を含む): 273000240

約数和(自身を除く): 151971160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 7187, 8420, 14374, 16840, 28748, 35935, 57496, 71870, 143740, 287480, 3025727, 6051454, 12102908, 15128635, 24205816, 30257270, 60514540, 121029080]

約数ペア:

[(1, 121029080), (2, 60514540), (4, 30257270), (5, 24205816), (8, 15128635), (10, 12102908), (20, 6051454), (40, 3025727), (421, 287480), (842, 143740), (1684, 71870), (2105, 57496), (3368, 35935), (4210, 28748), (7187, 16840), (8420, 14374)]