80816020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{175687}}^1$

素因数の和:175719

約数の個数: 24

約数和(自身を含む): 177093504

約数和(自身を除く): 96277484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 175687, 351374, 702748, 878435, 1756870, 3513740, 4040801, 8081602, 16163204, 20204005, 40408010, 80816020]

約数ペア:

[(1, 80816020), (2, 40408010), (4, 20204005), (5, 16163204), (10, 8081602), (20, 4040801), (23, 3513740), (46, 1756870), (92, 878435), (115, 702748), (230, 351374), (460, 175687)]