39919280

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2179}}^1$

素因数の和:2421

約数の個数: 40

約数和(自身を含む): 93260400

約数和(自身を除く): 53341120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2179, 2290, 3664, 4358, 4580, 8716, 9160, 10895, 17432, 18320, 21790, 34864, 43580, 87160, 174320, 498991, 997982, 1995964, 2494955, 3991928, 4989910, 7983856, 9979820, 19959640, 39919280]

約数ペア:

[(1, 39919280), (2, 19959640), (4, 9979820), (5, 7983856), (8, 4989910), (10, 3991928), (16, 2494955), (20, 1995964), (40, 997982), (80, 498991), (229, 174320), (458, 87160), (916, 43580), (1145, 34864), (1832, 21790), (2179, 18320), (2290, 17432), (3664, 10895), (4358, 9160), (4580, 8716)]