256152080

素因数分解:

$2^4\times 5^1\times {\mathrm{3201901}}^1$

素因数の和:3201914

約数の個数: 20

約数和(自身を含む): 595553772

約数和(自身を除く): 339401692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3201901, 6403802, 12807604, 16009505, 25615208, 32019010, 51230416, 64038020, 128076040, 256152080]

約数ペア:

[(1, 256152080), (2, 128076040), (4, 64038020), (5, 51230416), (8, 32019010), (10, 25615208), (16, 16009505), (20, 12807604), (40, 6403802), (80, 3201901)]