201610000

素因数分解:

$2^4\times 5^4\times {\mathrm{20161}}^1$

素因数の和:20189

約数の個数: 50

約数和(自身を含む): 488142182

約数和(自身を除く): 286532182

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 20161, 40322, 80644, 100805, 161288, 201610, 322576, 403220, 504025, 806440, 1008050, 1612880, 2016100, 2520125, 4032200, 5040250, 8064400, 10080500, 12600625, 20161000, 25201250, 40322000, 50402500, 100805000, 201610000]

約数ペア:

[(1, 201610000), (2, 100805000), (4, 50402500), (5, 40322000), (8, 25201250), (10, 20161000), (16, 12600625), (20, 10080500), (25, 8064400), (40, 5040250), (50, 4032200), (80, 2520125), (100, 2016100), (125, 1612880), (200, 1008050), (250, 806440), (400, 504025), (500, 403220), (625, 322576), (1000, 201610), (1250, 161288), (2000, 100805), (2500, 80644), (5000, 40322), (10000, 20161)]