11557780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{44453}}^1$

素因数の和:44475

約数の個数: 24

約数和(自身を含む): 26138952

約数和(自身を除く): 14581172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 44453, 88906, 177812, 222265, 444530, 577889, 889060, 1155778, 2311556, 2889445, 5778890, 11557780]

約数ペア:

[(1, 11557780), (2, 5778890), (4, 2889445), (5, 2311556), (10, 1155778), (13, 889060), (20, 577889), (26, 444530), (52, 222265), (65, 177812), (130, 88906), (260, 44453)]