80759080

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{3691}}^1$

素因数の和:4249

約数の個数: 32

約数和(自身を含む): 182089440

約数和(自身を除く): 101330360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 3691, 4376, 5470, 7382, 10940, 14764, 18455, 21880, 29528, 36910, 73820, 147640, 2018977, 4037954, 8075908, 10094885, 16151816, 20189770, 40379540, 80759080]

約数ペア:

[(1, 80759080), (2, 40379540), (4, 20189770), (5, 16151816), (8, 10094885), (10, 8075908), (20, 4037954), (40, 2018977), (547, 147640), (1094, 73820), (2188, 36910), (2735, 29528), (3691, 21880), (4376, 18455), (5470, 14764), (7382, 10940)]