12228940

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{991}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 25748352

約数和(自身を除く): 13519412

約数列:

[1, 2, 4, 5, 10, 20, 617, 991, 1234, 1982, 2468, 3085, 3964, 4955, 6170, 9910, 12340, 19820, 611447, 1222894, 2445788, 3057235, 6114470, 12228940]

約数ペア:

[(1, 12228940), (2, 6114470), (4, 3057235), (5, 2445788), (10, 1222894), (20, 611447), (617, 19820), (991, 12340), (1234, 9910), (1982, 6170), (2468, 4955), (3085, 3964)]