80511380

素因数分解:

$2^2\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{2543}}^1$

素因数の和:4135

約数の個数: 24

約数和(自身を含む): 169247232

約数和(自身を除く): 88735852

約数列:

[1, 2, 4, 5, 10, 20, 1583, 2543, 3166, 5086, 6332, 7915, 10172, 12715, 15830, 25430, 31660, 50860, 4025569, 8051138, 16102276, 20127845, 40255690, 80511380]

約数ペア:

[(1, 80511380), (2, 40255690), (4, 20127845), (5, 16102276), (10, 8051138), (20, 4025569), (1583, 50860), (2543, 31660), (3166, 25430), (5086, 15830), (6332, 12715), (7915, 10172)]