8019740

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 16913232

約数和(自身を除く): 8893492

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 1427, 2810, 2854, 5620, 5708, 7135, 14270, 28540, 400987, 801974, 1603948, 2004935, 4009870, 8019740]

約数ペア:

[(1, 8019740), (2, 4009870), (4, 2004935), (5, 1603948), (10, 801974), (20, 400987), (281, 28540), (562, 14270), (1124, 7135), (1405, 5708), (1427, 5620), (2810, 2854)]