2012419400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{245417}}^1$

素因数の和:245474

約数の個数: 48

約数和(自身を含む): 4793013540

約数和(自身を除く): 2780594140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 245417, 490834, 981668, 1227085, 1963336, 2454170, 4908340, 6135425, 9816680, 10062097, 12270850, 20124194, 24541700, 40248388, 49083400, 50310485, 80496776, 100620970, 201241940, 251552425, 402483880, 503104850, 1006209700, 2012419400]

約数ペア:

[(1, 2012419400), (2, 1006209700), (4, 503104850), (5, 402483880), (8, 251552425), (10, 201241940), (20, 100620970), (25, 80496776), (40, 50310485), (41, 49083400), (50, 40248388), (82, 24541700), (100, 20124194), (164, 12270850), (200, 10062097), (205, 9816680), (328, 6135425), (410, 4908340), (820, 2454170), (1025, 1963336), (1640, 1227085), (2050, 981668), (4100, 490834), (8200, 245417)]