12668840

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{863}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 15946840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 863, 1468, 1726, 1835, 2936, 3452, 3670, 4315, 6904, 7340, 8630, 14680, 17260, 34520, 316721, 633442, 1266884, 1583605, 2533768, 3167210, 6334420, 12668840]

約数ペア:

[(1, 12668840), (2, 6334420), (4, 3167210), (5, 2533768), (8, 1583605), (10, 1266884), (20, 633442), (40, 316721), (367, 34520), (734, 17260), (863, 14680), (1468, 8630), (1726, 7340), (1835, 6904), (2936, 4315), (3452, 3670)]