2560390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 5345280

約数和(自身を除く): 2784890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 463, 553, 790, 926, 1106, 2315, 2765, 3241, 4630, 5530, 6482, 16205, 32410, 36577, 73154, 182885, 256039, 365770, 512078, 1280195, 2560390]

約数ペア:

[(1, 2560390), (2, 1280195), (5, 512078), (7, 365770), (10, 256039), (14, 182885), (35, 73154), (70, 36577), (79, 32410), (158, 16205), (395, 6482), (463, 5530), (553, 4630), (790, 3241), (926, 2765), (1106, 2315)]