1640572040

素因数分解:

$2^3\times 5^1\times {\mathrm{5413}}^1\times {\mathrm{7577}}^1$

素因数の和:13001

約数の個数: 32

約数和(自身を含む): 3692456280

約数和(自身を除く): 2051884240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5413, 7577, 10826, 15154, 21652, 27065, 30308, 37885, 43304, 54130, 60616, 75770, 108260, 151540, 216520, 303080, 41014301, 82028602, 164057204, 205071505, 328114408, 410143010, 820286020, 1640572040]

約数ペア:

[(1, 1640572040), (2, 820286020), (4, 410143010), (5, 328114408), (8, 205071505), (10, 164057204), (20, 82028602), (40, 41014301), (5413, 303080), (7577, 216520), (10826, 151540), (15154, 108260), (21652, 75770), (27065, 60616), (30308, 54130), (37885, 43304)]