80561740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{575441}}^1$

素因数の和:575457

約数の個数: 24

約数和(自身を含む): 193348512

約数和(自身を除く): 112786772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 575441, 1150882, 2301764, 2877205, 4028087, 5754410, 8056174, 11508820, 16112348, 20140435, 40280870, 80561740]

約数ペア:

[(1, 80561740), (2, 40280870), (4, 20140435), (5, 16112348), (7, 11508820), (10, 8056174), (14, 5754410), (20, 4028087), (28, 2877205), (35, 2301764), (70, 1150882), (140, 575441)]