40811960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145757}}^1$

素因数の和:145775

約数の個数: 32

約数和(自身を含む): 104945760

約数和(自身を除く): 64133800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145757, 291514, 583028, 728785, 1020299, 1166056, 1457570, 2040598, 2915140, 4081196, 5101495, 5830280, 8162392, 10202990, 20405980, 40811960]

約数ペア:

[(1, 40811960), (2, 20405980), (4, 10202990), (5, 8162392), (7, 5830280), (8, 5101495), (10, 4081196), (14, 2915140), (20, 2040598), (28, 1457570), (35, 1166056), (40, 1020299), (56, 728785), (70, 583028), (140, 291514), (280, 145757)]