780848660

素因数分解:

$2^2\times 5^1\times {\mathrm{5281}}^1\times {\mathrm{7393}}^1$

素因数の和:12683

約数の個数: 24

約数和(自身を含む): 1640314536

約数和(自身を除く): 859465876

約数列:

[1, 2, 4, 5, 10, 20, 5281, 7393, 10562, 14786, 21124, 26405, 29572, 36965, 52810, 73930, 105620, 147860, 39042433, 78084866, 156169732, 195212165, 390424330, 780848660]

約数ペア:

[(1, 780848660), (2, 390424330), (4, 195212165), (5, 156169732), (10, 78084866), (20, 39042433), (5281, 147860), (7393, 105620), (10562, 73930), (14786, 52810), (21124, 36965), (26405, 29572)]