80643310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{17881}}^1$

素因数の和:17940

約数の個数: 32

約数和(自身を含む): 162225504

約数和(自身を除く): 81582194

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 17881, 35762, 89405, 178810, 196691, 393382, 733121, 983455, 1466242, 1966910, 3665605, 7331210, 8064331, 16128662, 40321655, 80643310]

約数ペア:

[(1, 80643310), (2, 40321655), (5, 16128662), (10, 8064331), (11, 7331210), (22, 3665605), (41, 1966910), (55, 1466242), (82, 983455), (110, 733121), (205, 393382), (410, 196691), (451, 178810), (902, 89405), (2255, 35762), (4510, 17881)]