17989040

素因数分解:

$2^4\times 5^1\times {\mathrm{224863}}^1$

素因数の和:224876

約数の個数: 20

約数和(自身を含む): 41824704

約数和(自身を除く): 23835664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 224863, 449726, 899452, 1124315, 1798904, 2248630, 3597808, 4497260, 8994520, 17989040]

約数ペア:

[(1, 17989040), (2, 8994520), (4, 4497260), (5, 3597808), (8, 2248630), (10, 1798904), (16, 1124315), (20, 899452), (40, 449726), (80, 224863)]