1299690010

素因数分解:

$2^1\times 5^1\times {\mathrm{4999}}^1\times {\mathrm{25999}}^1$

素因数の和:31005

約数の個数: 16

約数和(自身を含む): 2340000000

約数和(自身を除く): 1040309990

約数列:

[1, 2, 5, 10, 4999, 9998, 24995, 25999, 49990, 51998, 129995, 259990, 129969001, 259938002, 649845005, 1299690010]

約数ペア:

[(1, 1299690010), (2, 649845005), (5, 259938002), (10, 129969001), (4999, 259990), (9998, 129995), (24995, 51998), (25999, 49990)]