68304260

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2473}}^1$

素因数の和:3863

約数の個数: 24

約数和(自身を含む): 143600856

約数和(自身を除く): 75296596

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2473, 2762, 4946, 5524, 6905, 9892, 12365, 13810, 24730, 27620, 49460, 3415213, 6830426, 13660852, 17076065, 34152130, 68304260]

約数ペア:

[(1, 68304260), (2, 34152130), (4, 17076065), (5, 13660852), (10, 6830426), (20, 3415213), (1381, 49460), (2473, 27620), (2762, 24730), (4946, 13810), (5524, 12365), (6905, 9892)]