28130060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200929}}^1$

素因数の和:200945

約数の個数: 24

約数和(自身を含む): 67512480

約数和(自身を除く): 39382420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200929, 401858, 803716, 1004645, 1406503, 2009290, 2813006, 4018580, 5626012, 7032515, 14065030, 28130060]

約数ペア:

[(1, 28130060), (2, 14065030), (4, 7032515), (5, 5626012), (7, 4018580), (10, 2813006), (14, 2009290), (20, 1406503), (28, 1004645), (35, 803716), (70, 401858), (140, 200929)]