80043440

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2161}}^1$

素因数の和:2637

約数の個数: 40

約数和(自身を含む): 186589248

約数和(自身を除く): 106545808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2161, 2315, 3704, 4322, 4630, 7408, 8644, 9260, 10805, 17288, 18520, 21610, 34576, 37040, 43220, 86440, 172880, 1000543, 2001086, 4002172, 5002715, 8004344, 10005430, 16008688, 20010860, 40021720, 80043440]

約数ペア:

[(1, 80043440), (2, 40021720), (4, 20010860), (5, 16008688), (8, 10005430), (10, 8004344), (16, 5002715), (20, 4002172), (40, 2001086), (80, 1000543), (463, 172880), (926, 86440), (1852, 43220), (2161, 37040), (2315, 34576), (3704, 21610), (4322, 18520), (4630, 17288), (7408, 10805), (8644, 9260)]