87345080

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10973}}^1$

素因数の和:11183

約数の個数: 32

約数和(自身を含む): 197532000

約数和(自身を除く): 110186920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 10973, 21946, 43892, 54865, 87784, 109730, 219460, 438920, 2183627, 4367254, 8734508, 10918135, 17469016, 21836270, 43672540, 87345080]

約数ペア:

[(1, 87345080), (2, 43672540), (4, 21836270), (5, 17469016), (8, 10918135), (10, 8734508), (20, 4367254), (40, 2183627), (199, 438920), (398, 219460), (796, 109730), (995, 87784), (1592, 54865), (1990, 43892), (3980, 21946), (7960, 10973)]