249682640

素因数分解:

$2^4\times 5^1\times {\mathrm{3121033}}^1$

素因数の和:3121046

約数の個数: 20

約数和(自身を含む): 580512324

約数和(自身を除く): 330829684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3121033, 6242066, 12484132, 15605165, 24968264, 31210330, 49936528, 62420660, 124841320, 249682640]

約数ペア:

[(1, 249682640), (2, 124841320), (4, 62420660), (5, 49936528), (8, 31210330), (10, 24968264), (16, 15605165), (20, 12484132), (40, 6242066), (80, 3121033)]