49860080

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1249}}^1$

素因数の和:1761

約数の個数: 40

約数和(自身を含む): 116250000

約数和(自身を除く): 66389920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1249, 1996, 2495, 2498, 3992, 4990, 4996, 6245, 7984, 9980, 9992, 12490, 19960, 19984, 24980, 39920, 49960, 99920, 623251, 1246502, 2493004, 3116255, 4986008, 6232510, 9972016, 12465020, 24930040, 49860080]

約数ペア:

[(1, 49860080), (2, 24930040), (4, 12465020), (5, 9972016), (8, 6232510), (10, 4986008), (16, 3116255), (20, 2493004), (40, 1246502), (80, 623251), (499, 99920), (998, 49960), (1249, 39920), (1996, 24980), (2495, 19984), (2498, 19960), (3992, 12490), (4990, 9992), (4996, 9980), (6245, 7984)]