201618548240

素因数分解:

$2^4\times 5^1\times {\mathrm{2520231853}}^1$

素因数の和:2520231866

約数の個数: 20

約数和(自身を含む): 468763124844

約数和(自身を除く): 267144576604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520231853, 5040463706, 10080927412, 12601159265, 20161854824, 25202318530, 40323709648, 50404637060, 100809274120, 201618548240]

約数ペア:

[(1, 201618548240), (2, 100809274120), (4, 50404637060), (5, 40323709648), (8, 25202318530), (10, 20161854824), (16, 12601159265), (20, 10080927412), (40, 5040463706), (80, 2520231853)]