1042640

素因数分解:

$2^4\times 5^1\times {\mathrm{13033}}^1$

素因数の和:13046

約数の個数: 20

約数和(自身を含む): 2424324

約数和(自身を除く): 1381684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13033, 26066, 52132, 65165, 104264, 130330, 208528, 260660, 521320, 1042640]

約数ペア:

[(1, 1042640), (2, 521320), (4, 260660), (5, 208528), (8, 130330), (10, 104264), (16, 65165), (20, 52132), (40, 26066), (80, 13033)]