27787640

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{991}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 62674560

約数和(自身を除く): 34886920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 991, 1402, 1982, 2804, 3505, 3964, 4955, 5608, 7010, 7928, 9910, 14020, 19820, 28040, 39640, 694691, 1389382, 2778764, 3473455, 5557528, 6946910, 13893820, 27787640]

約数ペア:

[(1, 27787640), (2, 13893820), (4, 6946910), (5, 5557528), (8, 3473455), (10, 2778764), (20, 1389382), (40, 694691), (701, 39640), (991, 28040), (1402, 19820), (1982, 14020), (2804, 9910), (3505, 7928), (3964, 7010), (4955, 5608)]