40291688

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{117127}}^1$

素因数の和:117176

約数の個数: 16

約数和(自身を含む): 77304480

約数和(自身を除く): 37012792

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 117127, 234254, 468508, 937016, 5036461, 10072922, 20145844, 40291688]

約数ペア:

[(1, 40291688), (2, 20145844), (4, 10072922), (8, 5036461), (43, 937016), (86, 468508), (172, 234254), (344, 117127)]