85914680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52387}}^1$

素因数の和:52439

約数の個数: 32

約数和(自身を含む): 198026640

約数和(自身を除く): 112111960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52387, 104774, 209548, 261935, 419096, 523870, 1047740, 2095480, 2147867, 4295734, 8591468, 10739335, 17182936, 21478670, 42957340, 85914680]

約数ペア:

[(1, 85914680), (2, 42957340), (4, 21478670), (5, 17182936), (8, 10739335), (10, 8591468), (20, 4295734), (40, 2147867), (41, 2095480), (82, 1047740), (164, 523870), (205, 419096), (328, 261935), (410, 209548), (820, 104774), (1640, 52387)]