816152080

素因数分解:

$2^4\times 5^1\times {\mathrm{10201901}}^1$

素因数の和:10201914

約数の個数: 20

約数和(自身を含む): 1897553772

約数和(自身を除く): 1081401692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10201901, 20403802, 40807604, 51009505, 81615208, 102019010, 163230416, 204038020, 408076040, 816152080]

約数ペア:

[(1, 816152080), (2, 408076040), (4, 204038020), (5, 163230416), (8, 102019010), (10, 81615208), (16, 51009505), (20, 40807604), (40, 20403802), (80, 10201901)]