7208920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 16311600

約数和(自身を除く): 9102680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 787, 916, 1145, 1574, 1832, 2290, 3148, 3935, 4580, 6296, 7870, 9160, 15740, 31480, 180223, 360446, 720892, 901115, 1441784, 1802230, 3604460, 7208920]

約数ペア:

[(1, 7208920), (2, 3604460), (4, 1802230), (5, 1441784), (8, 901115), (10, 720892), (20, 360446), (40, 180223), (229, 31480), (458, 15740), (787, 9160), (916, 7870), (1145, 6296), (1574, 4580), (1832, 3935), (2290, 3148)]