1330995.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2281}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 41076000

約数和(自身を除く): 22919240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2281, 3980, 4562, 7960, 9124, 11405, 18248, 22810, 45620, 91240, 453919, 907838, 1815676, 2269595, 3631352, 4539190, 9078380, 18156760]

約数ペア:

[(1, 18156760), (2, 9078380), (4, 4539190), (5, 3631352), (8, 2269595), (10, 1815676), (20, 907838), (40, 453919), (199, 91240), (398, 45620), (796, 22810), (995, 18248), (1592, 11405), (1990, 9124), (2281, 7960), (3980, 4562)]