80648170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2621}}^1$

素因数の和:2826

約数の個数: 32

約数和(自身を含む): 154614096

約数和(自身を除く): 73965926

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 181, 362, 905, 1810, 2621, 3077, 5242, 6154, 13105, 15385, 26210, 30770, 44557, 89114, 222785, 445570, 474401, 948802, 2372005, 4744010, 8064817, 16129634, 40324085, 80648170]

約数ペア:

[(1, 80648170), (2, 40324085), (5, 16129634), (10, 8064817), (17, 4744010), (34, 2372005), (85, 948802), (170, 474401), (181, 445570), (362, 222785), (905, 89114), (1810, 44557), (2621, 30770), (3077, 26210), (5242, 15385), (6154, 13105)]