12351880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2833}}^1$

素因数の和:2953

約数の個数: 32

約数和(自身を含む): 28056600

約数和(自身を除く): 15704720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2833, 4360, 5666, 11332, 14165, 22664, 28330, 56660, 113320, 308797, 617594, 1235188, 1543985, 2470376, 3087970, 6175940, 12351880]

約数ペア:

[(1, 12351880), (2, 6175940), (4, 3087970), (5, 2470376), (8, 1543985), (10, 1235188), (20, 617594), (40, 308797), (109, 113320), (218, 56660), (436, 28330), (545, 22664), (872, 14165), (1090, 11332), (2180, 5666), (2833, 4360)]