56797780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218453}}^1$

素因数の和:218475

約数の個数: 24

約数和(自身を含む): 128450952

約数和(自身を除く): 71653172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218453, 436906, 873812, 1092265, 2184530, 2839889, 4369060, 5679778, 11359556, 14199445, 28398890, 56797780]

約数ペア:

[(1, 56797780), (2, 28398890), (4, 14199445), (5, 11359556), (10, 5679778), (13, 4369060), (20, 2839889), (26, 2184530), (52, 1092265), (65, 873812), (130, 436906), (260, 218453)]