126507560

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{19403}}^1$

素因数の和:19577

約数の個数: 32

約数和(自身を含む): 286403040

約数和(自身を除く): 159895480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 19403, 38806, 77612, 97015, 155224, 194030, 388060, 776120, 3162689, 6325378, 12650756, 15813445, 25301512, 31626890, 63253780, 126507560]

約数ペア:

[(1, 126507560), (2, 63253780), (4, 31626890), (5, 25301512), (8, 15813445), (10, 12650756), (20, 6325378), (40, 3162689), (163, 776120), (326, 388060), (652, 194030), (815, 155224), (1304, 97015), (1630, 77612), (3260, 38806), (6520, 19403)]