43400020

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5179}}^1$

素因数の和:5607

約数の個数: 24

約数和(自身を含む): 91375200

約数和(自身を除く): 47975180

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 5179, 8380, 10358, 20716, 25895, 51790, 103580, 2170001, 4340002, 8680004, 10850005, 21700010, 43400020]

約数ペア:

[(1, 43400020), (2, 21700010), (4, 10850005), (5, 8680004), (10, 4340002), (20, 2170001), (419, 103580), (838, 51790), (1676, 25895), (2095, 20716), (4190, 10358), (5179, 8380)]