66991460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{90529}}^1$

素因数の和:90575

約数の個数: 24

約数和(自身を含む): 144485880

約数和(自身を除く): 77494420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 90529, 181058, 362116, 452645, 905290, 1810580, 3349573, 6699146, 13398292, 16747865, 33495730, 66991460]

約数ペア:

[(1, 66991460), (2, 33495730), (4, 16747865), (5, 13398292), (10, 6699146), (20, 3349573), (37, 1810580), (74, 905290), (148, 452645), (185, 362116), (370, 181058), (740, 90529)]