2018680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 4593600

約数和(自身を除く): 2574920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 463, 545, 872, 926, 1090, 1852, 2180, 2315, 3704, 4360, 4630, 9260, 18520, 50467, 100934, 201868, 252335, 403736, 504670, 1009340, 2018680]

約数ペア:

[(1, 2018680), (2, 1009340), (4, 504670), (5, 403736), (8, 252335), (10, 201868), (20, 100934), (40, 50467), (109, 18520), (218, 9260), (436, 4630), (463, 4360), (545, 3704), (872, 2315), (926, 2180), (1090, 1852)]