26505640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 68664960

約数和(自身を除く): 42159320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 523, 724, 905, 1046, 1267, 1448, 1810, 2092, 2534, 2615, 3620, 3661, 4184, 5068, 5230, 6335, 7240, 7322, 10136, 10460, 12670, 14644, 18305, 20920, 25340, 29288, 36610, 50680, 73220, 94663, 146440, 189326, 378652, 473315, 662641, 757304, 946630, 1325282, 1893260, 2650564, 3313205, 3786520, 5301128, 6626410, 13252820, 26505640]

約数ペア:

[(1, 26505640), (2, 13252820), (4, 6626410), (5, 5301128), (7, 3786520), (8, 3313205), (10, 2650564), (14, 1893260), (20, 1325282), (28, 946630), (35, 757304), (40, 662641), (56, 473315), (70, 378652), (140, 189326), (181, 146440), (280, 94663), (362, 73220), (523, 50680), (724, 36610), (905, 29288), (1046, 25340), (1267, 20920), (1448, 18305), (1810, 14644), (2092, 12670), (2534, 10460), (2615, 10136), (3620, 7322), (3661, 7240), (4184, 6335), (5068, 5230)]