260188520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{32687}}^1$

素因数の和:32897

約数の個数: 32

約数和(自身を含む): 588384000

約数和(自身を除く): 328195480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 32687, 65374, 130748, 163435, 261496, 326870, 653740, 1307480, 6504713, 13009426, 26018852, 32523565, 52037704, 65047130, 130094260, 260188520]

約数ペア:

[(1, 260188520), (2, 130094260), (4, 65047130), (5, 52037704), (8, 32523565), (10, 26018852), (20, 13009426), (40, 6504713), (199, 1307480), (398, 653740), (796, 326870), (995, 261496), (1592, 163435), (1990, 130748), (3980, 65374), (7960, 32687)]