81252440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{34429}}^1$

素因数の和:34499

約数の個数: 32

約数和(自身を含む): 185922000

約数和(自身を除く): 104669560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 34429, 68858, 137716, 172145, 275432, 344290, 688580, 1377160, 2031311, 4062622, 8125244, 10156555, 16250488, 20313110, 40626220, 81252440]

約数ペア:

[(1, 81252440), (2, 40626220), (4, 20313110), (5, 16250488), (8, 10156555), (10, 8125244), (20, 4062622), (40, 2031311), (59, 1377160), (118, 688580), (236, 344290), (295, 275432), (472, 172145), (590, 137716), (1180, 68858), (2360, 34429)]