20161000

素因数分解:

$2^3\times 5^3\times {\mathrm{20161}}^1$

素因数の和:20182

約数の個数: 32

約数和(自身を含む): 47179080

約数和(自身を除く): 27018080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20161, 40322, 80644, 100805, 161288, 201610, 403220, 504025, 806440, 1008050, 2016100, 2520125, 4032200, 5040250, 10080500, 20161000]

約数ペア:

[(1, 20161000), (2, 10080500), (4, 5040250), (5, 4032200), (8, 2520125), (10, 2016100), (20, 1008050), (25, 806440), (40, 504025), (50, 403220), (100, 201610), (125, 161288), (200, 100805), (250, 80644), (500, 40322), (1000, 20161)]