2017681280

素因数分解:

$2^7\times 5^1\times {\mathrm{3152627}}^1$

素因数の和:3152646

約数の個数: 32

約数和(自身を含む): 4823520840

約数和(自身を除く): 2805839560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3152627, 6305254, 12610508, 15763135, 25221016, 31526270, 50442032, 63052540, 100884064, 126105080, 201768128, 252210160, 403536256, 504420320, 1008840640, 2017681280]

約数ペア:

[(1, 2017681280), (2, 1008840640), (4, 504420320), (5, 403536256), (8, 252210160), (10, 201768128), (16, 126105080), (20, 100884064), (32, 63052540), (40, 50442032), (64, 31526270), (80, 25221016), (128, 15763135), (160, 12610508), (320, 6305254), (640, 3152627)]