4002640

素因数分解:

$2^4\times 5^1\times {\mathrm{50033}}^1$

素因数の和:50046

約数の個数: 20

約数和(自身を含む): 9306324

約数和(自身を除く): 5303684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50033, 100066, 200132, 250165, 400264, 500330, 800528, 1000660, 2001320, 4002640]

約数ペア:

[(1, 4002640), (2, 2001320), (4, 1000660), (5, 800528), (8, 500330), (10, 400264), (16, 250165), (20, 200132), (40, 100066), (80, 50033)]