1260408080

素因数分解:

$2^4\times 5^1\times {\mathrm{15755101}}^1$

素因数の和:15755114

約数の個数: 20

約数和(自身を含む): 2930448972

約数和(自身を除く): 1670040892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15755101, 31510202, 63020404, 78775505, 126040808, 157551010, 252081616, 315102020, 630204040, 1260408080]

約数ペア:

[(1, 1260408080), (2, 630204040), (4, 315102020), (5, 252081616), (8, 157551010), (10, 126040808), (16, 78775505), (20, 63020404), (40, 31510202), (80, 15755101)]