40187120

素因数分解:

$2^4\times 5^1\times {\mathrm{502339}}^1$

素因数の和:502352

約数の個数: 20

約数和(自身を含む): 93435240

約数和(自身を除く): 53248120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502339, 1004678, 2009356, 2511695, 4018712, 5023390, 8037424, 10046780, 20093560, 40187120]

約数ペア:

[(1, 40187120), (2, 20093560), (4, 10046780), (5, 8037424), (8, 5023390), (10, 4018712), (16, 2511695), (20, 2009356), (40, 1004678), (80, 502339)]