205556240

素因数分解:

$2^4\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{1721}}^1$

素因数の和:3227

約数の個数: 40

約数和(自身を含む): 478516248

約数和(自身を除く): 272960008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1493, 1721, 2986, 3442, 5972, 6884, 7465, 8605, 11944, 13768, 14930, 17210, 23888, 27536, 29860, 34420, 59720, 68840, 119440, 137680, 2569453, 5138906, 10277812, 12847265, 20555624, 25694530, 41111248, 51389060, 102778120, 205556240]

約数ペア:

[(1, 205556240), (2, 102778120), (4, 51389060), (5, 41111248), (8, 25694530), (10, 20555624), (16, 12847265), (20, 10277812), (40, 5138906), (80, 2569453), (1493, 137680), (1721, 119440), (2986, 68840), (3442, 59720), (5972, 34420), (6884, 29860), (7465, 27536), (8605, 23888), (11944, 17210), (13768, 14930)]