56840740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2903}}^1$

素因数の和:3012

約数の個数: 48

約数和(自身を含む): 131725440

約数和(自身を除く): 74884700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2903, 3916, 4895, 5806, 9790, 11612, 14515, 19580, 29030, 31933, 58060, 63866, 127732, 159665, 258367, 319330, 516734, 638660, 1033468, 1291835, 2583670, 2842037, 5167340, 5684074, 11368148, 14210185, 28420370, 56840740]

約数ペア:

[(1, 56840740), (2, 28420370), (4, 14210185), (5, 11368148), (10, 5684074), (11, 5167340), (20, 2842037), (22, 2583670), (44, 1291835), (55, 1033468), (89, 638660), (110, 516734), (178, 319330), (220, 258367), (356, 159665), (445, 127732), (890, 63866), (979, 58060), (1780, 31933), (1958, 29030), (2903, 19580), (3916, 14515), (4895, 11612), (5806, 9790)]