81343700

素因数分解:

$2^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{5387}}^1$

素因数の和:5552

約数の個数: 36

約数和(自身を含む): 177717792

約数和(自身を除く): 96374092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 151, 302, 604, 755, 1510, 3020, 3775, 5387, 7550, 10774, 15100, 21548, 26935, 53870, 107740, 134675, 269350, 538700, 813437, 1626874, 3253748, 4067185, 8134370, 16268740, 20335925, 40671850, 81343700]

約数ペア:

[(1, 81343700), (2, 40671850), (4, 20335925), (5, 16268740), (10, 8134370), (20, 4067185), (25, 3253748), (50, 1626874), (100, 813437), (151, 538700), (302, 269350), (604, 134675), (755, 107740), (1510, 53870), (3020, 26935), (3775, 21548), (5387, 15100), (7550, 10774)]