28704080

素因数分解:

$2^4\times 5^1\times {\mathrm{599}}^2$

素因数の和:1211

約数の個数: 30

約数和(自身を含む): 66848586

約数和(自身を除く): 38144506

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 599, 1198, 2396, 2995, 4792, 5990, 9584, 11980, 23960, 47920, 358801, 717602, 1435204, 1794005, 2870408, 3588010, 5740816, 7176020, 14352040, 28704080]

約数ペア:

[(1, 28704080), (2, 14352040), (4, 7176020), (5, 5740816), (8, 3588010), (10, 2870408), (16, 1794005), (20, 1435204), (40, 717602), (80, 358801), (599, 47920), (1198, 23960), (2396, 11980), (2995, 9584), (4792, 5990)]