51321340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8941}}^1$

素因数の和:8998

約数の個数: 48

約数和(自身を含む): 126189504

約数和(自身を除く): 74868164

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, 8941, 17882, 35764, 44705, 62587, 89410, 125174, 178820, 250348, 312935, 366581, 625870, 733162, 1251740, 1466324, 1832905, 2566067, 3665810, 5132134, 7331620, 10264268, 12830335, 25660670, 51321340]

約数ペア:

[(1, 51321340), (2, 25660670), (4, 12830335), (5, 10264268), (7, 7331620), (10, 5132134), (14, 3665810), (20, 2566067), (28, 1832905), (35, 1466324), (41, 1251740), (70, 733162), (82, 625870), (140, 366581), (164, 312935), (205, 250348), (287, 178820), (410, 125174), (574, 89410), (820, 62587), (1148, 44705), (1435, 35764), (2870, 17882), (5740, 8941)]