155527640

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{16979}}^1$

素因数の和:17219

約数の個数: 32

約数和(自身を含む): 351486000

約数和(自身を除く): 195958360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 16979, 33958, 67916, 84895, 135832, 169790, 339580, 679160, 3888191, 7776382, 15552764, 19440955, 31105528, 38881910, 77763820, 155527640]

約数ペア:

[(1, 155527640), (2, 77763820), (4, 38881910), (5, 31105528), (8, 19440955), (10, 15552764), (20, 7776382), (40, 3888191), (229, 679160), (458, 339580), (916, 169790), (1145, 135832), (1832, 84895), (2290, 67916), (4580, 33958), (9160, 16979)]