828166420

素因数分解:

$2^2\times 5^1\times {\mathrm{5281}}^1\times {\mathrm{7841}}^1$

素因数の和:13131

約数の個数: 24

約数和(自身を含む): 1739700648

約数和(自身を除く): 911534228

約数列:

[1, 2, 4, 5, 10, 20, 5281, 7841, 10562, 15682, 21124, 26405, 31364, 39205, 52810, 78410, 105620, 156820, 41408321, 82816642, 165633284, 207041605, 414083210, 828166420]

約数ペア:

[(1, 828166420), (2, 414083210), (4, 207041605), (5, 165633284), (10, 82816642), (20, 41408321), (5281, 156820), (7841, 105620), (10562, 78410), (15682, 52810), (21124, 39205), (26405, 31364)]