85705660

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{13691}}^1$

素因数の和:14013

約数の個数: 24

約数和(自身を含む): 180570096

約数和(自身を除く): 94864436

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 13691, 27382, 54764, 68455, 136910, 273820, 4285283, 8570566, 17141132, 21426415, 42852830, 85705660]

約数ペア:

[(1, 85705660), (2, 42852830), (4, 21426415), (5, 17141132), (10, 8570566), (20, 4285283), (313, 273820), (626, 136910), (1252, 68455), (1565, 54764), (3130, 27382), (6260, 13691)]