161982160

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2633}}^1$

素因数の和:3415

約数の個数: 40

約数和(自身を含む): 377241480

約数和(自身を除く): 215259320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 2633, 3076, 3845, 5266, 6152, 7690, 10532, 12304, 13165, 15380, 21064, 26330, 30760, 42128, 52660, 61520, 105320, 210640, 2024777, 4049554, 8099108, 10123885, 16198216, 20247770, 32396432, 40495540, 80991080, 161982160]

約数ペア:

[(1, 161982160), (2, 80991080), (4, 40495540), (5, 32396432), (8, 20247770), (10, 16198216), (16, 10123885), (20, 8099108), (40, 4049554), (80, 2024777), (769, 210640), (1538, 105320), (2633, 61520), (3076, 52660), (3845, 42128), (5266, 30760), (6152, 26330), (7690, 21064), (10532, 15380), (12304, 13165)]