63949780

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{12739}}^1$

素因数の和:12999

約数の個数: 24

約数和(自身を含む): 134840160

約数和(自身を除く): 70890380

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 12739, 25478, 50956, 63695, 127390, 254780, 3197489, 6394978, 12789956, 15987445, 31974890, 63949780]

約数ペア:

[(1, 63949780), (2, 31974890), (4, 15987445), (5, 12789956), (10, 6394978), (20, 3197489), (251, 254780), (502, 127390), (1004, 63695), (1255, 50956), (2510, 25478), (5020, 12739)]