51851420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89399}}^1$

素因数の和:89437

約数の個数: 24

約数和(自身を含む): 112644000

約数和(自身を除く): 60792580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 89399, 178798, 357596, 446995, 893990, 1787980, 2592571, 5185142, 10370284, 12962855, 25925710, 51851420]

約数ペア:

[(1, 51851420), (2, 25925710), (4, 12962855), (5, 10370284), (10, 5185142), (20, 2592571), (29, 1787980), (58, 893990), (116, 446995), (145, 357596), (290, 178798), (580, 89399)]