8208680

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1259}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 18597600

約数和(自身を除く): 10388920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1259, 1304, 1630, 2518, 3260, 5036, 6295, 6520, 10072, 12590, 25180, 50360, 205217, 410434, 820868, 1026085, 1641736, 2052170, 4104340, 8208680]

約数ペア:

[(1, 8208680), (2, 4104340), (4, 2052170), (5, 1641736), (8, 1026085), (10, 820868), (20, 410434), (40, 205217), (163, 50360), (326, 25180), (652, 12590), (815, 10072), (1259, 6520), (1304, 6295), (1630, 5036), (2518, 3260)]