51863860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{29137}}^1$

素因数の和:29235

約数の個数: 24

約数和(自身を含む): 110141640

約数和(自身を除く): 58277780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 29137, 58274, 116548, 145685, 291370, 582740, 2593193, 5186386, 10372772, 12965965, 25931930, 51863860]

約数ペア:

[(1, 51863860), (2, 25931930), (4, 12965965), (5, 10372772), (10, 5186386), (20, 2593193), (89, 582740), (178, 291370), (356, 145685), (445, 116548), (890, 58274), (1780, 29137)]