81238310

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2467}}^1$

素因数の和:2600

約数の個数: 32

約数和(自身を含む): 151930080

約数和(自身を除く): 70691770

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 890, 2467, 3293, 4934, 6586, 12335, 16465, 24670, 32930, 91279, 182558, 219563, 439126, 456395, 912790, 1097815, 2195630, 8123831, 16247662, 40619155, 81238310]

約数ペア:

[(1, 81238310), (2, 40619155), (5, 16247662), (10, 8123831), (37, 2195630), (74, 1097815), (89, 912790), (178, 456395), (185, 439126), (370, 219563), (445, 182558), (890, 91279), (2467, 32930), (3293, 24670), (4934, 16465), (6586, 12335)]