12703280

素因数分解:

$2^4\times 5^1\times {\mathrm{158791}}^1$

素因数の和:158804

約数の個数: 20

約数和(自身を含む): 29535312

約数和(自身を除く): 16832032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158791, 317582, 635164, 793955, 1270328, 1587910, 2540656, 3175820, 6351640, 12703280]

約数ペア:

[(1, 12703280), (2, 6351640), (4, 3175820), (5, 2540656), (8, 1587910), (10, 1270328), (16, 793955), (20, 635164), (40, 317582), (80, 158791)]