20702964400

素因数分解:

$2^4\times 5^2\times {\mathrm{11597}}^1\times {\mathrm{4463}}^1$

素因数の和:16078

約数の個数: 60

約数和(自身を含む): 49754306592

約数和(自身を除く): 29051342192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4463, 8926, 11597, 17852, 22315, 23194, 35704, 44630, 46388, 57985, 71408, 89260, 92776, 111575, 115970, 178520, 185552, 223150, 231940, 289925, 357040, 446300, 463880, 579850, 892600, 927760, 1159700, 1785200, 2319400, 4638800, 51757411, 103514822, 207029644, 258787055, 414059288, 517574110, 828118576, 1035148220, 1293935275, 2070296440, 2587870550, 4140592880, 5175741100, 10351482200, 20702964400]

約数ペア:

[(1, 20702964400), (2, 10351482200), (4, 5175741100), (5, 4140592880), (8, 2587870550), (10, 2070296440), (16, 1293935275), (20, 1035148220), (25, 828118576), (40, 517574110), (50, 414059288), (80, 258787055), (100, 207029644), (200, 103514822), (400, 51757411), (4463, 4638800), (8926, 2319400), (11597, 1785200), (17852, 1159700), (22315, 927760), (23194, 892600), (35704, 579850), (44630, 463880), (46388, 446300), (57985, 357040), (71408, 289925), (89260, 231940), (92776, 223150), (111575, 185552), (115970, 178520)]