12870290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14461}}^1$

素因数の和:14557

約数の個数: 16

約数和(自身を含む): 23428440

約数和(自身を除く): 10558150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 14461, 28922, 72305, 144610, 1287029, 2574058, 6435145, 12870290]

約数ペア:

[(1, 12870290), (2, 6435145), (5, 2574058), (10, 1287029), (89, 144610), (178, 72305), (445, 28922), (890, 14461)]