87761440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42193}}^1$

素因数の和:42221

約数の個数: 48

約数和(自身を含む): 223290648

約数和(自身を除く): 135529208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 42193, 84386, 168772, 210965, 337544, 421930, 548509, 675088, 843860, 1097018, 1350176, 1687720, 2194036, 2742545, 3375440, 4388072, 5485090, 6750880, 8776144, 10970180, 17552288, 21940360, 43880720, 87761440]

約数ペア:

[(1, 87761440), (2, 43880720), (4, 21940360), (5, 17552288), (8, 10970180), (10, 8776144), (13, 6750880), (16, 5485090), (20, 4388072), (26, 3375440), (32, 2742545), (40, 2194036), (52, 1687720), (65, 1350176), (80, 1097018), (104, 843860), (130, 675088), (160, 548509), (208, 421930), (260, 337544), (416, 210965), (520, 168772), (1040, 84386), (2080, 42193)]