127435640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{138517}}^1$

素因数の和:138551

約数の個数: 32

約数和(自身を含む): 299198880

約数和(自身を除く): 171763240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 138517, 277034, 554068, 692585, 1108136, 1385170, 2770340, 3185891, 5540680, 6371782, 12743564, 15929455, 25487128, 31858910, 63717820, 127435640]

約数ペア:

[(1, 127435640), (2, 63717820), (4, 31858910), (5, 25487128), (8, 15929455), (10, 12743564), (20, 6371782), (23, 5540680), (40, 3185891), (46, 2770340), (92, 1385170), (115, 1108136), (184, 692585), (230, 554068), (460, 277034), (920, 138517)]