40542170

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{45553}}^1$

素因数の和:45649

約数の個数: 16

約数和(自身を含む): 73797480

約数和(自身を除く): 33255310

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 45553, 91106, 227765, 455530, 4054217, 8108434, 20271085, 40542170]

約数ペア:

[(1, 40542170), (2, 20271085), (5, 8108434), (10, 4054217), (89, 455530), (178, 227765), (445, 91106), (890, 45553)]