856120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 2041200

約数和(自身を除く): 1185080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1259, 2518, 5036, 6295, 10072, 12590, 21403, 25180, 42806, 50360, 85612, 107015, 171224, 214030, 428060, 856120]

約数ペア:

[(1, 856120), (2, 428060), (4, 214030), (5, 171224), (8, 107015), (10, 85612), (17, 50360), (20, 42806), (34, 25180), (40, 21403), (68, 12590), (85, 10072), (136, 6295), (170, 5036), (340, 2518), (680, 1259)]