87940825

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6361}}^1$

素因数の和:6457

約数の個数: 24

約数和(自身を含む): 126222080

約数和(自身を除く): 38281255

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1975, 2765, 6361, 13825, 31805, 44527, 159025, 222635, 502519, 1113175, 2512595, 3517633, 12562975, 17588165, 87940825]

約数ペア:

[(1, 87940825), (5, 17588165), (7, 12562975), (25, 3517633), (35, 2512595), (79, 1113175), (175, 502519), (395, 222635), (553, 159025), (1975, 44527), (2765, 31805), (6361, 13825)]