81673340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13567}}^1$

素因数の和:13626

約数の個数: 48

約数和(自身を含む): 200589312

約数和(自身を除く): 118915972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 13567, 27134, 54268, 67835, 94969, 135670, 189938, 271340, 379876, 474845, 583381, 949690, 1166762, 1899380, 2333524, 2916905, 4083667, 5833810, 8167334, 11667620, 16334668, 20418335, 40836670, 81673340]

約数ペア:

[(1, 81673340), (2, 40836670), (4, 20418335), (5, 16334668), (7, 11667620), (10, 8167334), (14, 5833810), (20, 4083667), (28, 2916905), (35, 2333524), (43, 1899380), (70, 1166762), (86, 949690), (140, 583381), (172, 474845), (215, 379876), (301, 271340), (430, 189938), (602, 135670), (860, 94969), (1204, 67835), (1505, 54268), (3010, 27134), (6020, 13567)]