85810420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{147949}}^1$

素因数の和:147987

約数の個数: 24

約数和(自身を含む): 186417000

約数和(自身を除く): 100606580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 147949, 295898, 591796, 739745, 1479490, 2958980, 4290521, 8581042, 17162084, 21452605, 42905210, 85810420]

約数ペア:

[(1, 85810420), (2, 42905210), (4, 21452605), (5, 17162084), (10, 8581042), (20, 4290521), (29, 2958980), (58, 1479490), (116, 739745), (145, 591796), (290, 295898), (580, 147949)]