214217720

素因数分解:

$2^3\times 5^1\times {\mathrm{5355443}}^1$

素因数の和:5355454

約数の個数: 16

約数和(自身を含む): 481989960

約数和(自身を除く): 267772240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5355443, 10710886, 21421772, 26777215, 42843544, 53554430, 107108860, 214217720]

約数ペア:

[(1, 214217720), (2, 107108860), (4, 53554430), (5, 42843544), (8, 26777215), (10, 21421772), (20, 10710886), (40, 5355443)]