2581480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5867}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 6337440

約数和(自身を除く): 3755960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5867, 11734, 23468, 29335, 46936, 58670, 64537, 117340, 129074, 234680, 258148, 322685, 516296, 645370, 1290740, 2581480]

約数ペア:

[(1, 2581480), (2, 1290740), (4, 645370), (5, 516296), (8, 322685), (10, 258148), (11, 234680), (20, 129074), (22, 117340), (40, 64537), (44, 58670), (55, 46936), (88, 29335), (110, 23468), (220, 11734), (440, 5867)]