11261380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43313}}^1$

素因数の和:43335

約数の個数: 24

約数和(自身を含む): 25468632

約数和(自身を除く): 14207252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 43313, 86626, 173252, 216565, 433130, 563069, 866260, 1126138, 2252276, 2815345, 5630690, 11261380]

約数ペア:

[(1, 11261380), (2, 5630690), (4, 2815345), (5, 2252276), (10, 1126138), (13, 866260), (20, 563069), (26, 433130), (52, 216565), (65, 173252), (130, 86626), (260, 43313)]