82111520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12517}}^1$

素因数の和:12573

約数の個数: 48

約数和(自身を含む): 198735768

約数和(自身を除く): 116624248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12517, 25034, 50068, 62585, 100136, 125170, 200272, 250340, 400544, 500680, 513197, 1001360, 1026394, 2002720, 2052788, 2565985, 4105576, 5131970, 8211152, 10263940, 16422304, 20527880, 41055760, 82111520]

約数ペア:

[(1, 82111520), (2, 41055760), (4, 20527880), (5, 16422304), (8, 10263940), (10, 8211152), (16, 5131970), (20, 4105576), (32, 2565985), (40, 2052788), (41, 2002720), (80, 1026394), (82, 1001360), (160, 513197), (164, 500680), (205, 400544), (328, 250340), (410, 200272), (656, 125170), (820, 100136), (1312, 62585), (1640, 50068), (3280, 25034), (6560, 12517)]