82060640

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1695

約数の個数: 48

約数和(自身を含む): 194503680

約数和(自身を除く): 112443040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 1279, 1604, 2005, 2558, 3208, 4010, 5116, 6395, 6416, 8020, 10232, 12790, 12832, 16040, 20464, 25580, 32080, 40928, 51160, 64160, 102320, 204640, 512879, 1025758, 2051516, 2564395, 4103032, 5128790, 8206064, 10257580, 16412128, 20515160, 41030320, 82060640]

約数ペア:

[(1, 82060640), (2, 41030320), (4, 20515160), (5, 16412128), (8, 10257580), (10, 8206064), (16, 5128790), (20, 4103032), (32, 2564395), (40, 2051516), (80, 1025758), (160, 512879), (401, 204640), (802, 102320), (1279, 64160), (1604, 51160), (2005, 40928), (2558, 32080), (3208, 25580), (4010, 20464), (5116, 16040), (6395, 12832), (6416, 12790), (8020, 10232)]