13038140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10687}}^1$

素因数の和:10757

約数の個数: 24

約数和(自身を含む): 27831552

約数和(自身を除く): 14793412

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10687, 21374, 42748, 53435, 106870, 213740, 651907, 1303814, 2607628, 3259535, 6519070, 13038140]

約数ペア:

[(1, 13038140), (2, 6519070), (4, 3259535), (5, 2607628), (10, 1303814), (20, 651907), (61, 213740), (122, 106870), (244, 53435), (305, 42748), (610, 21374), (1220, 10687)]