17966243600

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{1109}}^1$

素因数の和:1629

約数の個数: 120

約数和(自身を含む): 43739376840

約数和(自身を除く): 25773133240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 401, 404, 505, 802, 808, 1010, 1109, 1604, 1616, 2005, 2020, 2218, 2525, 3208, 4010, 4040, 4436, 5050, 5545, 6416, 8020, 8080, 8872, 10025, 10100, 11090, 16040, 17744, 20050, 20200, 22180, 27725, 32080, 40100, 40400, 40501, 44360, 55450, 80200, 81002, 88720, 110900, 112009, 160400, 162004, 202505, 221800, 224018, 324008, 405010, 443600, 444709, 448036, 560045, 648016, 810020, 889418, 896072, 1012525, 1120090, 1620040, 1778836, 1792144, 2025050, 2223545, 2240180, 2800225, 3240080, 3557672, 4050100, 4447090, 4480360, 5600450, 7115344, 8100200, 8894180, 8960720, 11117725, 11200900, 16200400, 17788360, 22235450, 22401800, 35576720, 44470900, 44803600, 44915609, 88941800, 89831218, 177883600, 179662436, 224578045, 359324872, 449156090, 718649744, 898312180, 1122890225, 1796624360, 2245780450, 3593248720, 4491560900, 8983121800, 17966243600]

約数ペア:

[(1, 17966243600), (2, 8983121800), (4, 4491560900), (5, 3593248720), (8, 2245780450), (10, 1796624360), (16, 1122890225), (20, 898312180), (25, 718649744), (40, 449156090), (50, 359324872), (80, 224578045), (100, 179662436), (101, 177883600), (200, 89831218), (202, 88941800), (400, 44915609), (401, 44803600), (404, 44470900), (505, 35576720), (802, 22401800), (808, 22235450), (1010, 17788360), (1109, 16200400), (1604, 11200900), (1616, 11117725), (2005, 8960720), (2020, 8894180), (2218, 8100200), (2525, 7115344), (3208, 5600450), (4010, 4480360), (4040, 4447090), (4436, 4050100), (5050, 3557672), (5545, 3240080), (6416, 2800225), (8020, 2240180), (8080, 2223545), (8872, 2025050), (10025, 1792144), (10100, 1778836), (11090, 1620040), (16040, 1120090), (17744, 1012525), (20050, 896072), (20200, 889418), (22180, 810020), (27725, 648016), (32080, 560045), (40100, 448036), (40400, 444709), (40501, 443600), (44360, 405010), (55450, 324008), (80200, 224018), (81002, 221800), (88720, 202505), (110900, 162004), (112009, 160400)]