27411640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15937}}^1$

素因数の和:15991

約数の個数: 32

約数和(自身を含む): 63114480

約数和(自身を除く): 35702840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15937, 31874, 63748, 79685, 127496, 159370, 318740, 637480, 685291, 1370582, 2741164, 3426455, 5482328, 6852910, 13705820, 27411640]

約数ペア:

[(1, 27411640), (2, 13705820), (4, 6852910), (5, 5482328), (8, 3426455), (10, 2741164), (20, 1370582), (40, 685291), (43, 637480), (86, 318740), (172, 159370), (215, 127496), (344, 79685), (430, 63748), (860, 31874), (1720, 15937)]