80678510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1289}}^1$

素因数の和:1876

約数の個数: 32

約数和(自身を含む): 158824800

約数和(自身を除く): 78146290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 569, 1138, 1289, 2578, 2845, 5690, 6259, 6445, 12518, 12890, 14179, 28358, 31295, 62590, 70895, 141790, 733441, 1466882, 3667205, 7334410, 8067851, 16135702, 40339255, 80678510]

約数ペア:

[(1, 80678510), (2, 40339255), (5, 16135702), (10, 8067851), (11, 7334410), (22, 3667205), (55, 1466882), (110, 733441), (569, 141790), (1138, 70895), (1289, 62590), (2578, 31295), (2845, 28358), (5690, 14179), (6259, 12890), (6445, 12518)]