538080040

素因数分解:

$2^3\times 5^1\times {\mathrm{13452001}}^1$

素因数の和:13452012

約数の個数: 16

約数和(自身を含む): 1210680180

約数和(自身を除く): 672600140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13452001, 26904002, 53808004, 67260005, 107616008, 134520010, 269040020, 538080040]

約数ペア:

[(1, 538080040), (2, 269040020), (4, 134520010), (5, 107616008), (8, 67260005), (10, 53808004), (20, 26904002), (40, 13452001)]