78672320

素因数分解:

$2^6\times 5^1\times {\mathrm{245851}}^1$

素因数の和:245868

約数の個数: 28

約数和(自身を含む): 187339224

約数和(自身を除く): 108666904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 245851, 491702, 983404, 1229255, 1966808, 2458510, 3933616, 4917020, 7867232, 9834040, 15734464, 19668080, 39336160, 78672320]

約数ペア:

[(1, 78672320), (2, 39336160), (4, 19668080), (5, 15734464), (8, 9834040), (10, 7867232), (16, 4917020), (20, 3933616), (32, 2458510), (40, 1966808), (64, 1229255), (80, 983404), (160, 491702), (320, 245851)]