201958520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{32159}}^1$

素因数の和:32327

約数の個数: 32

約数和(自身を含む): 457315200

約数和(自身を除く): 255356680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 32159, 64318, 128636, 160795, 257272, 321590, 643180, 1286360, 5048963, 10097926, 20195852, 25244815, 40391704, 50489630, 100979260, 201958520]

約数ペア:

[(1, 201958520), (2, 100979260), (4, 50489630), (5, 40391704), (8, 25244815), (10, 20195852), (20, 10097926), (40, 5048963), (157, 1286360), (314, 643180), (628, 321590), (785, 257272), (1256, 160795), (1570, 128636), (3140, 64318), (6280, 32159)]