2016656720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149161}}^1$

素因数の和:149200

約数の個数: 60

約数和(自身を含む): 5077176156

約数和(自身を除く): 3060519436

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 149161, 298322, 596644, 745805, 1193288, 1491610, 1939093, 2386576, 2983220, 3878186, 5966440, 7756372, 9695465, 11932880, 15512744, 19390930, 25208209, 31025488, 38781860, 50416418, 77563720, 100832836, 126041045, 155127440, 201665672, 252082090, 403331344, 504164180, 1008328360, 2016656720]

約数ペア:

[(1, 2016656720), (2, 1008328360), (4, 504164180), (5, 403331344), (8, 252082090), (10, 201665672), (13, 155127440), (16, 126041045), (20, 100832836), (26, 77563720), (40, 50416418), (52, 38781860), (65, 31025488), (80, 25208209), (104, 19390930), (130, 15512744), (169, 11932880), (208, 9695465), (260, 7756372), (338, 5966440), (520, 3878186), (676, 2983220), (845, 2386576), (1040, 1939093), (1352, 1491610), (1690, 1193288), (2704, 745805), (3380, 596644), (6760, 298322), (13520, 149161)]