7201580

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 15178128

約数和(自身を除く): 7976548

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 907, 1588, 1814, 1985, 3628, 3970, 4535, 7940, 9070, 18140, 360079, 720158, 1440316, 1800395, 3600790, 7201580]

約数ペア:

[(1, 7201580), (2, 3600790), (4, 1800395), (5, 1440316), (10, 720158), (20, 360079), (397, 18140), (794, 9070), (907, 7940), (1588, 4535), (1814, 3970), (1985, 3628)]