78416480

素因数分解:

$2^5\times 5^1\times {\mathrm{490103}}^1$

素因数の和:490118

約数の個数: 24

約数和(自身を含む): 185259312

約数和(自身を除く): 106842832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 490103, 980206, 1960412, 2450515, 3920824, 4901030, 7841648, 9802060, 15683296, 19604120, 39208240, 78416480]

約数ペア:

[(1, 78416480), (2, 39208240), (4, 19604120), (5, 15683296), (8, 9802060), (10, 7841648), (16, 4901030), (20, 3920824), (32, 2450515), (40, 1960412), (80, 980206), (160, 490103)]