89209480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11321}}^1$

素因数の和:11529

約数の個数: 32

約数和(自身を含む): 201758040

約数和(自身を除く): 112548560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 11321, 22642, 45284, 56605, 90568, 113210, 226420, 452840, 2230237, 4460474, 8920948, 11151185, 17841896, 22302370, 44604740, 89209480]

約数ペア:

[(1, 89209480), (2, 44604740), (4, 22302370), (5, 17841896), (8, 11151185), (10, 8920948), (20, 4460474), (40, 2230237), (197, 452840), (394, 226420), (788, 113210), (985, 90568), (1576, 56605), (1970, 45284), (3940, 22642), (7880, 11321)]