54870040

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2749}}^1$

素因数の和:3259

約数の個数: 32

約数和(自身を含む): 123750000

約数和(自身を除く): 68879960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 2749, 3992, 4990, 5498, 9980, 10996, 13745, 19960, 21992, 27490, 54980, 109960, 1371751, 2743502, 5487004, 6858755, 10974008, 13717510, 27435020, 54870040]

約数ペア:

[(1, 54870040), (2, 27435020), (4, 13717510), (5, 10974008), (8, 6858755), (10, 5487004), (20, 2743502), (40, 1371751), (499, 109960), (998, 54980), (1996, 27490), (2495, 21992), (2749, 19960), (3992, 13745), (4990, 10996), (5498, 9980)]