81425870

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{15569}}^1$

素因数の和:16099

約数の個数: 16

約数和(自身を含む): 146856240

約数和(自身を除く): 65430370

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 5230, 15569, 31138, 77845, 155690, 8142587, 16285174, 40712935, 81425870]

約数ペア:

[(1, 81425870), (2, 40712935), (5, 16285174), (10, 8142587), (523, 155690), (1046, 77845), (2615, 31138), (5230, 15569)]