9857780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10487}}^1$

素因数の和:10543

約数の個数: 24

約数和(自身を含む): 21143808

約数和(自身を除く): 11286028

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 10487, 20974, 41948, 52435, 104870, 209740, 492889, 985778, 1971556, 2464445, 4928890, 9857780]

約数ペア:

[(1, 9857780), (2, 4928890), (4, 2464445), (5, 1971556), (10, 985778), (20, 492889), (47, 209740), (94, 104870), (188, 52435), (235, 41948), (470, 20974), (940, 10487)]