1240640

素因数分解:

$2^6\times 5^1\times {\mathrm{3877}}^1$

素因数の和:3894

約数の個数: 28

約数和(自身を含む): 2955036

約数和(自身を除く): 1714396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3877, 7754, 15508, 19385, 31016, 38770, 62032, 77540, 124064, 155080, 248128, 310160, 620320, 1240640]

約数ペア:

[(1, 1240640), (2, 620320), (4, 310160), (5, 248128), (8, 155080), (10, 124064), (16, 77540), (20, 62032), (32, 38770), (40, 31016), (64, 19385), (80, 15508), (160, 7754), (320, 3877)]