28318040

素因数分解:

$2^3\times 5^1\times {\mathrm{707951}}^1$

素因数の和:707962

約数の個数: 16

約数和(自身を含む): 63715680

約数和(自身を除く): 35397640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 707951, 1415902, 2831804, 3539755, 5663608, 7079510, 14159020, 28318040]

約数ペア:

[(1, 28318040), (2, 14159020), (4, 7079510), (5, 5663608), (8, 3539755), (10, 2831804), (20, 1415902), (40, 707951)]