28101280

素因数分解:

$2^5\times 5^1\times {\mathrm{175633}}^1$

素因数の和:175648

約数の個数: 24

約数和(自身を含む): 66389652

約数和(自身を除く): 38288372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 175633, 351266, 702532, 878165, 1405064, 1756330, 2810128, 3512660, 5620256, 7025320, 14050640, 28101280]

約数ペア:

[(1, 28101280), (2, 14050640), (4, 7025320), (5, 5620256), (8, 3512660), (10, 2810128), (16, 1756330), (20, 1405064), (32, 878165), (40, 702532), (80, 351266), (160, 175633)]