2017004840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^2$

素因数の和:2270

約数の個数: 48

約数和(自身を含む): 4653145980

約数和(自身を除く): 2636141140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1109, 1640, 2218, 4436, 5545, 8872, 11090, 22180, 44360, 45469, 90938, 181876, 227345, 363752, 454690, 909380, 1229881, 1818760, 2459762, 4919524, 6149405, 9839048, 12298810, 24597620, 49195240, 50425121, 100850242, 201700484, 252125605, 403400968, 504251210, 1008502420, 2017004840]

約数ペア:

[(1, 2017004840), (2, 1008502420), (4, 504251210), (5, 403400968), (8, 252125605), (10, 201700484), (20, 100850242), (40, 50425121), (41, 49195240), (82, 24597620), (164, 12298810), (205, 9839048), (328, 6149405), (410, 4919524), (820, 2459762), (1109, 1818760), (1640, 1229881), (2218, 909380), (4436, 454690), (5545, 363752), (8872, 227345), (11090, 181876), (22180, 90938), (44360, 45469)]