126884504500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19520693}}^1$

素因数の和:19520725

約数の個数: 48

約数和(自身を含む): 298432369872

約数和(自身を除く): 171547865372

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 19520693, 39041386, 78082772, 97603465, 195206930, 253769009, 390413860, 488017325, 507538018, 976034650, 1015076036, 1268845045, 1952069300, 2440086625, 2537690090, 4880173250, 5075380180, 6344225225, 9760346500, 12688450450, 25376900900, 31721126125, 63442252250, 126884504500]

約数ペア:

[(1, 126884504500), (2, 63442252250), (4, 31721126125), (5, 25376900900), (10, 12688450450), (13, 9760346500), (20, 6344225225), (25, 5075380180), (26, 4880173250), (50, 2537690090), (52, 2440086625), (65, 1952069300), (100, 1268845045), (125, 1015076036), (130, 976034650), (250, 507538018), (260, 488017325), (325, 390413860), (500, 253769009), (650, 195206930), (1300, 97603465), (1625, 78082772), (3250, 39041386), (6500, 19520693)]