65382080

素因数分解:

$2^6\times 5^1\times {\mathrm{204319}}^1$

素因数の和:204336

約数の個数: 28

約数和(自身を含む): 155691840

約数和(自身を除く): 90309760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 204319, 408638, 817276, 1021595, 1634552, 2043190, 3269104, 4086380, 6538208, 8172760, 13076416, 16345520, 32691040, 65382080]

約数ペア:

[(1, 65382080), (2, 32691040), (4, 16345520), (5, 13076416), (8, 8172760), (10, 6538208), (16, 4086380), (20, 3269104), (32, 2043190), (40, 1634552), (64, 1021595), (80, 817276), (160, 408638), (320, 204319)]