12789640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6803}}^1$

素因数の和:6861

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 16603640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6803, 13606, 27212, 34015, 54424, 68030, 136060, 272120, 319741, 639482, 1278964, 1598705, 2557928, 3197410, 6394820, 12789640]

約数ペア:

[(1, 12789640), (2, 6394820), (4, 3197410), (5, 2557928), (8, 1598705), (10, 1278964), (20, 639482), (40, 319741), (47, 272120), (94, 136060), (188, 68030), (235, 54424), (376, 34015), (470, 27212), (940, 13606), (1880, 6803)]