51011380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8887}}^1$

素因数の和:8944

約数の個数: 48

約数和(自身を含む): 125427456

約数和(自身を除く): 74416076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 8887, 17774, 35548, 44435, 62209, 88870, 124418, 177740, 248836, 311045, 364367, 622090, 728734, 1244180, 1457468, 1821835, 2550569, 3643670, 5101138, 7287340, 10202276, 12752845, 25505690, 51011380]

約数ペア:

[(1, 51011380), (2, 25505690), (4, 12752845), (5, 10202276), (7, 7287340), (10, 5101138), (14, 3643670), (20, 2550569), (28, 1821835), (35, 1457468), (41, 1244180), (70, 728734), (82, 622090), (140, 364367), (164, 311045), (205, 248836), (287, 177740), (410, 124418), (574, 88870), (820, 62209), (1148, 44435), (1435, 35548), (2870, 17774), (5740, 8887)]