8260280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29501}}^1$

素因数の和:29519

約数の個数: 32

約数和(自身を含む): 21241440

約数和(自身を除く): 12981160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29501, 59002, 118004, 147505, 206507, 236008, 295010, 413014, 590020, 826028, 1032535, 1180040, 1652056, 2065070, 4130140, 8260280]

約数ペア:

[(1, 8260280), (2, 4130140), (4, 2065070), (5, 1652056), (7, 1180040), (8, 1032535), (10, 826028), (14, 590020), (20, 413014), (28, 295010), (35, 236008), (40, 206507), (56, 147505), (70, 118004), (140, 59002), (280, 29501)]