78445574080

素因数分解:

$2^6\times 5^1\times {\mathrm{245142419}}^1$

素因数の和:245142436

約数の個数: 28

約数和(自身を含む): 186798524040

約数和(自身を除く): 108352949960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 245142419, 490284838, 980569676, 1225712095, 1961139352, 2451424190, 3922278704, 4902848380, 7844557408, 9805696760, 15689114816, 19611393520, 39222787040, 78445574080]

約数ペア:

[(1, 78445574080), (2, 39222787040), (4, 19611393520), (5, 15689114816), (8, 9805696760), (10, 7844557408), (16, 4902848380), (20, 3922278704), (32, 2451424190), (40, 1961139352), (64, 1225712095), (80, 980569676), (160, 490284838), (320, 245142419)]