28439140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49033}}^1$

素因数の和:49071

約数の個数: 24

約数和(自身を含む): 61782840

約数和(自身を除く): 33343700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 49033, 98066, 196132, 245165, 490330, 980660, 1421957, 2843914, 5687828, 7109785, 14219570, 28439140]

約数ペア:

[(1, 28439140), (2, 14219570), (4, 7109785), (5, 5687828), (10, 2843914), (20, 1421957), (29, 980660), (58, 490330), (116, 245165), (145, 196132), (290, 98066), (580, 49033)]