86800040

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5179}}^1$

素因数の和:5609

約数の個数: 32

約数和(自身を含む): 195804000

約数和(自身を除く): 109003960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 5179, 8380, 10358, 16760, 20716, 25895, 41432, 51790, 103580, 207160, 2170001, 4340002, 8680004, 10850005, 17360008, 21700010, 43400020, 86800040]

約数ペア:

[(1, 86800040), (2, 43400020), (4, 21700010), (5, 17360008), (8, 10850005), (10, 8680004), (20, 4340002), (40, 2170001), (419, 207160), (838, 103580), (1676, 51790), (2095, 41432), (3352, 25895), (4190, 20716), (5179, 16760), (8380, 10358)]