2218219480

素因数分解:

$2^3\times 5^1\times {\mathrm{55455487}}^1$

素因数の和:55455498

約数の個数: 16

約数和(自身を含む): 4990993920

約数和(自身を除く): 2772774440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55455487, 110910974, 221821948, 277277435, 443643896, 554554870, 1109109740, 2218219480]

約数ペア:

[(1, 2218219480), (2, 1109109740), (4, 554554870), (5, 443643896), (8, 277277435), (10, 221821948), (20, 110910974), (40, 55455487)]