84657680

素因数分解:

$2^4\times 5^1\times {\mathrm{1058221}}^1$

素因数の和:1058234

約数の個数: 20

約数和(自身を含む): 196829292

約数和(自身を除く): 112171612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1058221, 2116442, 4232884, 5291105, 8465768, 10582210, 16931536, 21164420, 42328840, 84657680]

約数ペア:

[(1, 84657680), (2, 42328840), (4, 21164420), (5, 16931536), (8, 10582210), (10, 8465768), (16, 5291105), (20, 4232884), (40, 2116442), (80, 1058221)]