218607680

素因数分解:

$2^6\times 5^1\times {\mathrm{683149}}^1$

素因数の和:683166

約数の個数: 28

約数和(自身を含む): 520560300

約数和(自身を除く): 301952620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 683149, 1366298, 2732596, 3415745, 5465192, 6831490, 10930384, 13662980, 21860768, 27325960, 43721536, 54651920, 109303840, 218607680]

約数ペア:

[(1, 218607680), (2, 109303840), (4, 54651920), (5, 43721536), (8, 27325960), (10, 21860768), (16, 13662980), (20, 10930384), (32, 6831490), (40, 5465192), (64, 3415745), (80, 2732596), (160, 1366298), (320, 683149)]