66538220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475273}}^1$

素因数の和:475289

約数の個数: 24

約数和(自身を含む): 159692064

約数和(自身を除く): 93153844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475273, 950546, 1901092, 2376365, 3326911, 4752730, 6653822, 9505460, 13307644, 16634555, 33269110, 66538220]

約数ペア:

[(1, 66538220), (2, 33269110), (4, 16634555), (5, 13307644), (7, 9505460), (10, 6653822), (14, 4752730), (20, 3326911), (28, 2376365), (35, 1901092), (70, 950546), (140, 475273)]