49589065640

素因数分解:

$2^3\times 5^1\times {\mathrm{1239726641}}^1$

素因数の和:1239726652

約数の個数: 16

約数和(自身を含む): 111575397780

約数和(自身を除く): 61986332140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1239726641, 2479453282, 4958906564, 6198633205, 9917813128, 12397266410, 24794532820, 49589065640]

約数ペア:

[(1, 49589065640), (2, 24794532820), (4, 12397266410), (5, 9917813128), (8, 6198633205), (10, 4958906564), (20, 2479453282), (40, 1239726641)]