31990030

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25189}}^1$

素因数の和:25323

約数の個数: 16

約数和(自身を含む): 58037760

約数和(自身を除く): 26047730

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 25189, 50378, 125945, 251890, 3199003, 6398006, 15995015, 31990030]

約数ペア:

[(1, 31990030), (2, 15995015), (5, 6398006), (10, 3199003), (127, 251890), (254, 125945), (635, 50378), (1270, 25189)]