2016100000

素因数分解:

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

素因数の和:20196

約数の個数: 72

約数和(自身を含む): 4961424636

約数和(自身を除く): 2945324636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 3125, 4000, 5000, 6250, 10000, 12500, 20000, 20161, 25000, 40322, 50000, 80644, 100000, 100805, 161288, 201610, 322576, 403220, 504025, 645152, 806440, 1008050, 1612880, 2016100, 2520125, 3225760, 4032200, 5040250, 8064400, 10080500, 12600625, 16128800, 20161000, 25201250, 40322000, 50402500, 63003125, 80644000, 100805000, 126006250, 201610000, 252012500, 403220000, 504025000, 1008050000, 2016100000]

約数ペア:

[(1, 2016100000), (2, 1008050000), (4, 504025000), (5, 403220000), (8, 252012500), (10, 201610000), (16, 126006250), (20, 100805000), (25, 80644000), (32, 63003125), (40, 50402500), (50, 40322000), (80, 25201250), (100, 20161000), (125, 16128800), (160, 12600625), (200, 10080500), (250, 8064400), (400, 5040250), (500, 4032200), (625, 3225760), (800, 2520125), (1000, 2016100), (1250, 1612880), (2000, 1008050), (2500, 806440), (3125, 645152), (4000, 504025), (5000, 403220), (6250, 322576), (10000, 201610), (12500, 161288), (20000, 100805), (20161, 100000), (25000, 80644), (40322, 50000)]