63648320

素因数分解:

$2^6\times 5^1\times {\mathrm{198901}}^1$

素因数の和:198918

約数の個数: 28

約数和(自身を含む): 151563324

約数和(自身を除く): 87915004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 198901, 397802, 795604, 994505, 1591208, 1989010, 3182416, 3978020, 6364832, 7956040, 12729664, 15912080, 31824160, 63648320]

約数ペア:

[(1, 63648320), (2, 31824160), (4, 15912080), (5, 12729664), (8, 7956040), (10, 6364832), (16, 3978020), (20, 3182416), (32, 1989010), (40, 1591208), (64, 994505), (80, 795604), (160, 397802), (320, 198901)]