1953080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 4436640

約数和(自身を除く): 2483560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 311, 314, 622, 628, 785, 1244, 1256, 1555, 1570, 2488, 3110, 3140, 6220, 6280, 12440, 48827, 97654, 195308, 244135, 390616, 488270, 976540, 1953080]

約数ペア:

[(1, 1953080), (2, 976540), (4, 488270), (5, 390616), (8, 244135), (10, 195308), (20, 97654), (40, 48827), (157, 12440), (311, 6280), (314, 6220), (622, 3140), (628, 3110), (785, 2488), (1244, 1570), (1256, 1555)]