218218720

素因数分解:

$2^5\times 5^1\times {\mathrm{1363867}}^1$

素因数の和:1363882

約数の個数: 24

約数和(自身を含む): 515542104

約数和(自身を除く): 297323384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1363867, 2727734, 5455468, 6819335, 10910936, 13638670, 21821872, 27277340, 43643744, 54554680, 109109360, 218218720]

約数ペア:

[(1, 218218720), (2, 109109360), (4, 54554680), (5, 43643744), (8, 27277340), (10, 21821872), (16, 13638670), (20, 10910936), (32, 6819335), (40, 5455468), (80, 2727734), (160, 1363867)]