42017680

素因数分解:

$2^4\times 5^1\times {\mathrm{525221}}^1$

素因数の和:525234

約数の個数: 20

約数和(自身を含む): 97691292

約数和(自身を除く): 55673612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525221, 1050442, 2100884, 2626105, 4201768, 5252210, 8403536, 10504420, 21008840, 42017680]

約数ペア:

[(1, 42017680), (2, 21008840), (4, 10504420), (5, 8403536), (8, 5252210), (10, 4201768), (16, 2626105), (20, 2100884), (40, 1050442), (80, 525221)]