51648620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 111296640

約数和(自身を除く): 59648020

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 316, 337, 388, 395, 485, 674, 790, 970, 1348, 1580, 1685, 1940, 3370, 6740, 7663, 15326, 26623, 30652, 32689, 38315, 53246, 65378, 76630, 106492, 130756, 133115, 153260, 163445, 266230, 326890, 532460, 653780, 2582431, 5164862, 10329724, 12912155, 25824310, 51648620]

約数ペア:

[(1, 51648620), (2, 25824310), (4, 12912155), (5, 10329724), (10, 5164862), (20, 2582431), (79, 653780), (97, 532460), (158, 326890), (194, 266230), (316, 163445), (337, 153260), (388, 133115), (395, 130756), (485, 106492), (674, 76630), (790, 65378), (970, 53246), (1348, 38315), (1580, 32689), (1685, 30652), (1940, 26623), (3370, 15326), (6740, 7663)]