1266221380

素因数分解:

$2^2\times 5^1\times {\mathrm{2861}}^1\times {\mathrm{22129}}^1$

素因数の和:24999

約数の個数: 24

約数和(自身を含む): 2660114520

約数和(自身を除く): 1393893140

約数列:

[1, 2, 4, 5, 10, 20, 2861, 5722, 11444, 14305, 22129, 28610, 44258, 57220, 88516, 110645, 221290, 442580, 63311069, 126622138, 253244276, 316555345, 633110690, 1266221380]

約数ペア:

[(1, 1266221380), (2, 633110690), (4, 316555345), (5, 253244276), (10, 126622138), (20, 63311069), (2861, 442580), (5722, 221290), (11444, 110645), (14305, 88516), (22129, 57220), (28610, 44258)]