2564352016

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{1800809}}^1$

素因数の和:1800906

約数の個数: 20

約数和(自身を含む): 5024259900

約数和(自身を除く): 2459907884

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 1800809, 3601618, 7203236, 14406472, 28812944, 160272001, 320544002, 641088004, 1282176008, 2564352016]

約数ペア:

[(1, 2564352016), (2, 1282176008), (4, 641088004), (8, 320544002), (16, 160272001), (89, 28812944), (178, 14406472), (356, 7203236), (712, 3601618), (1424, 1800809)]