71047720

素因数分解:

$2^3\times 5^1\times {\mathrm{1776193}}^1$

素因数の和:1776204

約数の個数: 16

約数和(自身を含む): 159857460

約数和(自身を除く): 88809740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1776193, 3552386, 7104772, 8880965, 14209544, 17761930, 35523860, 71047720]

約数ペア:

[(1, 71047720), (2, 35523860), (4, 17761930), (5, 14209544), (8, 8880965), (10, 7104772), (20, 3552386), (40, 1776193)]