28002640

素因数分解:

$2^4\times 5^1\times {\mathrm{350033}}^1$

素因数の和:350046

約数の個数: 20

約数和(自身を含む): 65106324

約数和(自身を除く): 37103684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 350033, 700066, 1400132, 1750165, 2800264, 3500330, 5600528, 7000660, 14001320, 28002640]

約数ペア:

[(1, 28002640), (2, 14001320), (4, 7000660), (5, 5600528), (8, 3500330), (10, 2800264), (16, 1750165), (20, 1400132), (40, 700066), (80, 350033)]