40944760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9391}}^1$

素因数の和:9511

約数の個数: 32

約数和(自身を含む): 92980800

約数和(自身を除く): 52036040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9391, 18782, 37564, 46955, 75128, 93910, 187820, 375640, 1023619, 2047238, 4094476, 5118095, 8188952, 10236190, 20472380, 40944760]

約数ペア:

[(1, 40944760), (2, 20472380), (4, 10236190), (5, 8188952), (8, 5118095), (10, 4094476), (20, 2047238), (40, 1023619), (109, 375640), (218, 187820), (436, 93910), (545, 75128), (872, 46955), (1090, 37564), (2180, 18782), (4360, 9391)]