12237640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1553}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 27692280

約数和(自身を除く): 15454640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1553, 1576, 1970, 3106, 3940, 6212, 7765, 7880, 12424, 15530, 31060, 62120, 305941, 611882, 1223764, 1529705, 2447528, 3059410, 6118820, 12237640]

約数ペア:

[(1, 12237640), (2, 6118820), (4, 3059410), (5, 2447528), (8, 1529705), (10, 1223764), (20, 611882), (40, 305941), (197, 62120), (394, 31060), (788, 15530), (985, 12424), (1553, 7880), (1576, 7765), (1970, 6212), (3106, 3940)]