81669080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43441}}^1$

素因数の和:43499

約数の個数: 32

約数和(自身を含む): 187669440

約数和(自身を除く): 106000360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 43441, 86882, 173764, 217205, 347528, 434410, 868820, 1737640, 2041727, 4083454, 8166908, 10208635, 16333816, 20417270, 40834540, 81669080]

約数ペア:

[(1, 81669080), (2, 40834540), (4, 20417270), (5, 16333816), (8, 10208635), (10, 8166908), (20, 4083454), (40, 2041727), (47, 1737640), (94, 868820), (188, 434410), (235, 347528), (376, 217205), (470, 173764), (940, 86882), (1880, 43441)]