39999536

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{37313}}^1$

素因数の和:37388

約数の個数: 20

約数和(自身を含む): 78657912

約数和(自身を除く): 38658376

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 37313, 74626, 149252, 298504, 597008, 2499971, 4999942, 9999884, 19999768, 39999536]

約数ペア:

[(1, 39999536), (2, 19999768), (4, 9999884), (8, 4999942), (16, 2499971), (67, 597008), (134, 298504), (268, 149252), (536, 74626), (1072, 37313)]