20082098900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{9733}}^1$

素因数の和:10233

約数の個数: 72

約数和(自身を含む): 44611311360

約数和(自身を除く): 24529212460

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 439, 470, 878, 940, 1175, 1756, 2195, 2350, 4390, 4700, 8780, 9733, 10975, 19466, 20633, 21950, 38932, 41266, 43900, 48665, 82532, 97330, 103165, 194660, 206330, 243325, 412660, 457451, 486650, 515825, 914902, 973300, 1031650, 1829804, 2063300, 2287255, 4272787, 4574510, 8545574, 9149020, 11436275, 17091148, 21363935, 22872550, 42727870, 45745100, 85455740, 106819675, 200820989, 213639350, 401641978, 427278700, 803283956, 1004104945, 2008209890, 4016419780, 5020524725, 10041049450, 20082098900]

約数ペア:

[(1, 20082098900), (2, 10041049450), (4, 5020524725), (5, 4016419780), (10, 2008209890), (20, 1004104945), (25, 803283956), (47, 427278700), (50, 401641978), (94, 213639350), (100, 200820989), (188, 106819675), (235, 85455740), (439, 45745100), (470, 42727870), (878, 22872550), (940, 21363935), (1175, 17091148), (1756, 11436275), (2195, 9149020), (2350, 8545574), (4390, 4574510), (4700, 4272787), (8780, 2287255), (9733, 2063300), (10975, 1829804), (19466, 1031650), (20633, 973300), (21950, 914902), (38932, 515825), (41266, 486650), (43900, 457451), (48665, 412660), (82532, 243325), (97330, 206330), (103165, 194660)]