47667220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1289}}^1$

素因数の和:1384

約数の個数: 36

約数和(自身を含む): 102562740

約数和(自身を除く): 54895520

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1289, 1849, 2578, 3698, 5156, 6445, 7396, 9245, 12890, 18490, 25780, 36980, 55427, 110854, 221708, 277135, 554270, 1108540, 2383361, 4766722, 9533444, 11916805, 23833610, 47667220]

約数ペア:

[(1, 47667220), (2, 23833610), (4, 11916805), (5, 9533444), (10, 4766722), (20, 2383361), (43, 1108540), (86, 554270), (172, 277135), (215, 221708), (430, 110854), (860, 55427), (1289, 36980), (1849, 25780), (2578, 18490), (3698, 12890), (5156, 9245), (6445, 7396)]