218218640

素因数分解:

$2^4\times 5^1\times {\mathrm{2727733}}^1$

素因数の和:2727746

約数の個数: 20

約数和(自身を含む): 507358524

約数和(自身を除く): 289139884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2727733, 5455466, 10910932, 13638665, 21821864, 27277330, 43643728, 54554660, 109109320, 218218640]

約数ペア:

[(1, 218218640), (2, 109109320), (4, 54554660), (5, 43643728), (8, 27277330), (10, 21821864), (16, 13638665), (20, 10910932), (40, 5455466), (80, 2727733)]