20227988080

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1\times {\mathrm{4513}}^1$

素因数の和:5018

約数の個数: 80

約数和(自身を含む): 47454418080

約数和(自身を除く): 27226430000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 313, 358, 626, 716, 895, 1252, 1432, 1565, 1790, 2504, 2864, 3130, 3580, 4513, 5008, 6260, 7160, 9026, 12520, 14320, 18052, 22565, 25040, 36104, 45130, 56027, 72208, 90260, 112054, 180520, 224108, 280135, 361040, 448216, 560270, 807827, 896432, 1120540, 1412569, 1615654, 2241080, 2825138, 3231308, 4039135, 4482160, 5650276, 6462616, 7062845, 8078270, 11300552, 12925232, 14125690, 16156540, 22601104, 28251380, 32313080, 56502760, 64626160, 113005520, 252849851, 505699702, 1011399404, 1264249255, 2022798808, 2528498510, 4045597616, 5056997020, 10113994040, 20227988080]

約数ペア:

[(1, 20227988080), (2, 10113994040), (4, 5056997020), (5, 4045597616), (8, 2528498510), (10, 2022798808), (16, 1264249255), (20, 1011399404), (40, 505699702), (80, 252849851), (179, 113005520), (313, 64626160), (358, 56502760), (626, 32313080), (716, 28251380), (895, 22601104), (1252, 16156540), (1432, 14125690), (1565, 12925232), (1790, 11300552), (2504, 8078270), (2864, 7062845), (3130, 6462616), (3580, 5650276), (4513, 4482160), (5008, 4039135), (6260, 3231308), (7160, 2825138), (9026, 2241080), (12520, 1615654), (14320, 1412569), (18052, 1120540), (22565, 896432), (25040, 807827), (36104, 560270), (45130, 448216), (56027, 361040), (72208, 280135), (90260, 224108), (112054, 180520)]