12960500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{23}}^2$

素因数の和:79

約数の個数: 108

約数和(自身を含む): 34420932

約数和(自身を除く): 21460432

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 125, 140, 161, 175, 196, 230, 245, 250, 322, 350, 460, 490, 500, 529, 575, 644, 700, 805, 875, 980, 1058, 1127, 1150, 1225, 1610, 1750, 2116, 2254, 2300, 2450, 2645, 2875, 3220, 3500, 3703, 4025, 4508, 4900, 5290, 5635, 5750, 6125, 7406, 8050, 10580, 11270, 11500, 12250, 13225, 14812, 16100, 18515, 20125, 22540, 24500, 25921, 26450, 28175, 37030, 40250, 51842, 52900, 56350, 66125, 74060, 80500, 92575, 103684, 112700, 129605, 132250, 140875, 185150, 259210, 264500, 281750, 370300, 462875, 518420, 563500, 648025, 925750, 1296050, 1851500, 2592100, 3240125, 6480250, 12960500]

約数ペア:

[(1, 12960500), (2, 6480250), (4, 3240125), (5, 2592100), (7, 1851500), (10, 1296050), (14, 925750), (20, 648025), (23, 563500), (25, 518420), (28, 462875), (35, 370300), (46, 281750), (49, 264500), (50, 259210), (70, 185150), (92, 140875), (98, 132250), (100, 129605), (115, 112700), (125, 103684), (140, 92575), (161, 80500), (175, 74060), (196, 66125), (230, 56350), (245, 52900), (250, 51842), (322, 40250), (350, 37030), (460, 28175), (490, 26450), (500, 25921), (529, 24500), (575, 22540), (644, 20125), (700, 18515), (805, 16100), (875, 14812), (980, 13225), (1058, 12250), (1127, 11500), (1150, 11270), (1225, 10580), (1610, 8050), (1750, 7406), (2116, 6125), (2254, 5750), (2300, 5635), (2450, 5290), (2645, 4900), (2875, 4508), (3220, 4025), (3500, 3703)]