85202900

素因数分解:

$2^2\times 5^2\times {\mathrm{661}}^1\times {\mathrm{1289}}^1$

素因数の和:1964

約数の個数: 36

約数和(自身を含む): 185313660

約数和(自身を除く): 100110760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 661, 1289, 1322, 2578, 2644, 3305, 5156, 6445, 6610, 12890, 13220, 16525, 25780, 32225, 33050, 64450, 66100, 128900, 852029, 1704058, 3408116, 4260145, 8520290, 17040580, 21300725, 42601450, 85202900]

約数ペア:

[(1, 85202900), (2, 42601450), (4, 21300725), (5, 17040580), (10, 8520290), (20, 4260145), (25, 3408116), (50, 1704058), (100, 852029), (661, 128900), (1289, 66100), (1322, 64450), (2578, 33050), (2644, 32225), (3305, 25780), (5156, 16525), (6445, 13220), (6610, 12890)]