12178220

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2659}}^1$

素因数の和:2897

約数の個数: 24

約数和(自身を含む): 25695600

約数和(自身を除く): 13517380

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 2659, 4580, 5318, 10636, 13295, 26590, 53180, 608911, 1217822, 2435644, 3044555, 6089110, 12178220]

約数ペア:

[(1, 12178220), (2, 6089110), (4, 3044555), (5, 2435644), (10, 1217822), (20, 608911), (229, 53180), (458, 26590), (916, 13295), (1145, 10636), (2290, 5318), (2659, 4580)]