2480888.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 37796760

約数和(自身を除く): 21110800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2657, 3140, 5314, 6280, 10628, 13285, 21256, 26570, 53140, 106280, 417149, 834298, 1668596, 2085745, 3337192, 4171490, 8342980, 16685960]

約数ペア:

[(1, 16685960), (2, 8342980), (4, 4171490), (5, 3337192), (8, 2085745), (10, 1668596), (20, 834298), (40, 417149), (157, 106280), (314, 53140), (628, 26570), (785, 21256), (1256, 13285), (1570, 10628), (2657, 6280), (3140, 5314)]