12199420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2531}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 25735248

約数和(自身を除く): 13535828

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 2531, 4820, 5062, 10124, 12655, 25310, 50620, 609971, 1219942, 2439884, 3049855, 6099710, 12199420]

約数ペア:

[(1, 12199420), (2, 6099710), (4, 3049855), (5, 2439884), (10, 1219942), (20, 609971), (241, 50620), (482, 25310), (964, 12655), (1205, 10124), (2410, 5062), (2531, 4820)]