51318040

素因数分解:

$2^3\times 5^1\times {\mathrm{1282951}}^1$

素因数の和:1282962

約数の個数: 16

約数和(自身を含む): 115465680

約数和(自身を除く): 64147640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1282951, 2565902, 5131804, 6414755, 10263608, 12829510, 25659020, 51318040]

約数ペア:

[(1, 51318040), (2, 25659020), (4, 12829510), (5, 10263608), (8, 6414755), (10, 5131804), (20, 2565902), (40, 1282951)]