520015820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1\times {\mathrm{1279}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 1132185600

約数和(自身を除く): 612169780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 701, 1279, 1402, 2558, 2804, 3505, 5116, 6395, 7010, 12790, 14020, 20329, 25580, 37091, 40658, 74182, 81316, 101645, 148364, 185455, 203290, 370910, 406580, 741820, 896579, 1793158, 3586316, 4482895, 8965790, 17931580, 26000791, 52001582, 104003164, 130003955, 260007910, 520015820]

約数ペア:

[(1, 520015820), (2, 260007910), (4, 130003955), (5, 104003164), (10, 52001582), (20, 26000791), (29, 17931580), (58, 8965790), (116, 4482895), (145, 3586316), (290, 1793158), (580, 896579), (701, 741820), (1279, 406580), (1402, 370910), (2558, 203290), (2804, 185455), (3505, 148364), (5116, 101645), (6395, 81316), (7010, 74182), (12790, 40658), (14020, 37091), (20329, 25580)]