28796620

素因数分解:

$2^2\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{1213}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 60573744

約数和(自身を除く): 31777124

約数列:

[1, 2, 4, 5, 10, 20, 1187, 1213, 2374, 2426, 4748, 4852, 5935, 6065, 11870, 12130, 23740, 24260, 1439831, 2879662, 5759324, 7199155, 14398310, 28796620]

約数ペア:

[(1, 28796620), (2, 14398310), (4, 7199155), (5, 5759324), (10, 2879662), (20, 1439831), (1187, 24260), (1213, 23740), (2374, 12130), (2426, 11870), (4748, 6065), (4852, 5935)]