40045640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7883}}^1$

素因数の和:8021

約数の個数: 32

約数和(自身を含む): 90823680

約数和(自身を除く): 50778040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 7883, 15766, 31532, 39415, 63064, 78830, 157660, 315320, 1001141, 2002282, 4004564, 5005705, 8009128, 10011410, 20022820, 40045640]

約数ペア:

[(1, 40045640), (2, 20022820), (4, 10011410), (5, 8009128), (8, 5005705), (10, 4004564), (20, 2002282), (40, 1001141), (127, 315320), (254, 157660), (508, 78830), (635, 63064), (1016, 39415), (1270, 31532), (2540, 15766), (5080, 7883)]