40766080

素因数分解:

$2^7\times 5^1\times {\mathrm{63697}}^1$

素因数の和:63716

約数の個数: 32

約数和(自身を含む): 97457940

約数和(自身を除く): 56691860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63697, 127394, 254788, 318485, 509576, 636970, 1019152, 1273940, 2038304, 2547880, 4076608, 5095760, 8153216, 10191520, 20383040, 40766080]

約数ペア:

[(1, 40766080), (2, 20383040), (4, 10191520), (5, 8153216), (8, 5095760), (10, 4076608), (16, 2547880), (20, 2038304), (32, 1273940), (40, 1019152), (64, 636970), (80, 509576), (128, 318485), (160, 254788), (320, 127394), (640, 63697)]