7000040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 15876000

約数和(自身を除く): 8875960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1259, 1390, 2518, 2780, 5036, 5560, 6295, 10072, 12590, 25180, 50360, 175001, 350002, 700004, 875005, 1400008, 1750010, 3500020, 7000040]

約数ペア:

[(1, 7000040), (2, 3500020), (4, 1750010), (5, 1400008), (8, 875005), (10, 700004), (20, 350002), (40, 175001), (139, 50360), (278, 25180), (556, 12590), (695, 10072), (1112, 6295), (1259, 5560), (1390, 5036), (2518, 2780)]