89419860680

素因数分解:

$2^3\times 5^1\times {\mathrm{3217}}^1\times {\mathrm{694901}}^1$

素因数の和:698129

約数の個数: 32

約数和(自身を含む): 201257517240

約数和(自身を除く): 111837656560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3217, 6434, 12868, 16085, 25736, 32170, 64340, 128680, 694901, 1389802, 2779604, 3474505, 5559208, 6949010, 13898020, 27796040, 2235496517, 4470993034, 8941986068, 11177482585, 17883972136, 22354965170, 44709930340, 89419860680]

約数ペア:

[(1, 89419860680), (2, 44709930340), (4, 22354965170), (5, 17883972136), (8, 11177482585), (10, 8941986068), (20, 4470993034), (40, 2235496517), (3217, 27796040), (6434, 13898020), (12868, 6949010), (16085, 5559208), (25736, 3474505), (32170, 2779604), (64340, 1389802), (128680, 694901)]