12428140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 26692848

約数和(自身を除く): 14264708

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 167, 244, 305, 334, 610, 668, 835, 1220, 1670, 3340, 3721, 7442, 10187, 14884, 18605, 20374, 37210, 40748, 50935, 74420, 101870, 203740, 621407, 1242814, 2485628, 3107035, 6214070, 12428140]

約数ペア:

[(1, 12428140), (2, 6214070), (4, 3107035), (5, 2485628), (10, 1242814), (20, 621407), (61, 203740), (122, 101870), (167, 74420), (244, 50935), (305, 40748), (334, 37210), (610, 20374), (668, 18605), (835, 14884), (1220, 10187), (1670, 7442), (3340, 3721)]