218623760

素因数分解:

$2^4\times 5^1\times {\mathrm{2732797}}^1$

素因数の和:2732810

約数の個数: 20

約数和(自身を含む): 508300428

約数和(自身を除く): 289676668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2732797, 5465594, 10931188, 13663985, 21862376, 27327970, 43724752, 54655940, 109311880, 218623760]

約数ペア:

[(1, 218623760), (2, 109311880), (4, 54655940), (5, 43724752), (8, 27327970), (10, 21862376), (16, 13663985), (20, 10931188), (40, 5465594), (80, 2732797)]