1279528040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4569743}}^1$

素因数の和:4569761

約数の個数: 32

約数和(自身を含む): 3290215680

約数和(自身を除く): 2010687640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4569743, 9139486, 18278972, 22848715, 31988201, 36557944, 45697430, 63976402, 91394860, 127952804, 159941005, 182789720, 255905608, 319882010, 639764020, 1279528040]

約数ペア:

[(1, 1279528040), (2, 639764020), (4, 319882010), (5, 255905608), (7, 182789720), (8, 159941005), (10, 127952804), (14, 91394860), (20, 63976402), (28, 45697430), (35, 36557944), (40, 31988201), (56, 22848715), (70, 18278972), (140, 9139486), (280, 4569743)]