858682040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{124087}}^1$

素因数の和:124271

約数の個数: 32

約数和(自身を含む): 1943218080

約数和(自身を除く): 1084536040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 124087, 248174, 496348, 620435, 992696, 1240870, 2481740, 4963480, 21467051, 42934102, 85868204, 107335255, 171736408, 214670510, 429341020, 858682040]

約数ペア:

[(1, 858682040), (2, 429341020), (4, 214670510), (5, 171736408), (8, 107335255), (10, 85868204), (20, 42934102), (40, 21467051), (173, 4963480), (346, 2481740), (692, 1240870), (865, 992696), (1384, 620435), (1730, 496348), (3460, 248174), (6920, 124087)]