26581520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6781}}^1$

素因数の和:6808

約数の個数: 60

約数和(自身を含む): 71902764

約数和(自身を除く): 45321244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6781, 13562, 27124, 33905, 47467, 54248, 67810, 94934, 108496, 135620, 189868, 237335, 271240, 332269, 379736, 474670, 542480, 664538, 759472, 949340, 1329076, 1661345, 1898680, 2658152, 3322690, 3797360, 5316304, 6645380, 13290760, 26581520]

約数ペア:

[(1, 26581520), (2, 13290760), (4, 6645380), (5, 5316304), (7, 3797360), (8, 3322690), (10, 2658152), (14, 1898680), (16, 1661345), (20, 1329076), (28, 949340), (35, 759472), (40, 664538), (49, 542480), (56, 474670), (70, 379736), (80, 332269), (98, 271240), (112, 237335), (140, 189868), (196, 135620), (245, 108496), (280, 94934), (392, 67810), (490, 54248), (560, 47467), (784, 33905), (980, 27124), (1960, 13562), (3920, 6781)]