9870940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10501}}^1$

素因数の和:10557

約数の個数: 24

約数和(自身を含む): 21172032

約数和(自身を除く): 11301092

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 10501, 21002, 42004, 52505, 105010, 210020, 493547, 987094, 1974188, 2467735, 4935470, 9870940]

約数ペア:

[(1, 9870940), (2, 4935470), (4, 2467735), (5, 1974188), (10, 987094), (20, 493547), (47, 210020), (94, 105010), (188, 52505), (235, 42004), (470, 21002), (940, 10501)]