28797220

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6343}}^1$

素因数の和:6579

約数の個数: 24

約数和(自身を含む): 60750144

約数和(自身を除く): 31952924

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 6343, 12686, 25372, 31715, 63430, 126860, 1439861, 2879722, 5759444, 7199305, 14398610, 28797220]

約数ペア:

[(1, 28797220), (2, 14398610), (4, 7199305), (5, 5759444), (10, 2879722), (20, 1439861), (227, 126860), (454, 63430), (908, 31715), (1135, 25372), (2270, 12686), (4540, 6343)]