145743280

素因数分解:

$2^4\times 5^1\times {\mathrm{1821791}}^1$

素因数の和:1821804

約数の個数: 20

約数和(自身を含む): 338853312

約数和(自身を除く): 193110032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1821791, 3643582, 7287164, 9108955, 14574328, 18217910, 29148656, 36435820, 72871640, 145743280]

約数ペア:

[(1, 145743280), (2, 72871640), (4, 36435820), (5, 29148656), (8, 18217910), (10, 14574328), (16, 9108955), (20, 7287164), (40, 3643582), (80, 1821791)]