9890680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5261}}^1$

素因数の和:5319

約数の個数: 32

約数和(自身を含む): 22731840

約数和(自身を除く): 12841160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 5261, 10522, 21044, 26305, 42088, 52610, 105220, 210440, 247267, 494534, 989068, 1236335, 1978136, 2472670, 4945340, 9890680]

約数ペア:

[(1, 9890680), (2, 4945340), (4, 2472670), (5, 1978136), (8, 1236335), (10, 989068), (20, 494534), (40, 247267), (47, 210440), (94, 105220), (188, 52610), (235, 42088), (376, 26305), (470, 21044), (940, 10522), (1880, 5261)]