28045220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200323}}^1$

素因数の和:200339

約数の個数: 24

約数和(自身を含む): 67308864

約数和(自身を除く): 39263644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200323, 400646, 801292, 1001615, 1402261, 2003230, 2804522, 4006460, 5609044, 7011305, 14022610, 28045220]

約数ペア:

[(1, 28045220), (2, 14022610), (4, 7011305), (5, 5609044), (7, 4006460), (10, 2804522), (14, 2003230), (20, 1402261), (28, 1001615), (35, 801292), (70, 400646), (140, 200323)]