28651940

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6311}}^1$

素因数の和:6547

約数の個数: 24

約数和(自身を含む): 60443712

約数和(自身を除く): 31791772

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 6311, 12622, 25244, 31555, 63110, 126220, 1432597, 2865194, 5730388, 7162985, 14325970, 28651940]

約数ペア:

[(1, 28651940), (2, 14325970), (4, 7162985), (5, 5730388), (10, 2865194), (20, 1432597), (227, 126220), (454, 63110), (908, 31555), (1135, 25244), (2270, 12622), (4540, 6311)]