2212388620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{6653}}^1$

素因数の和:7954

約数の個数: 48

約数和(自身を含む): 5008066560

約数和(自身を除く): 2795677940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1279, 2558, 5116, 6395, 6653, 12790, 13306, 16627, 25580, 26612, 33254, 33265, 66508, 66530, 83135, 86489, 133060, 166270, 172978, 332540, 345956, 432445, 864890, 1729780, 8509187, 17018374, 34036748, 42545935, 85091870, 110619431, 170183740, 221238862, 442477724, 553097155, 1106194310, 2212388620]

約数ペア:

[(1, 2212388620), (2, 1106194310), (4, 553097155), (5, 442477724), (10, 221238862), (13, 170183740), (20, 110619431), (26, 85091870), (52, 42545935), (65, 34036748), (130, 17018374), (260, 8509187), (1279, 1729780), (2558, 864890), (5116, 432445), (6395, 345956), (6653, 332540), (12790, 172978), (13306, 166270), (16627, 133060), (25580, 86489), (26612, 83135), (33254, 66530), (33265, 66508)]