805686340

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{27091}}^1$

素因数の和:28587

約数の個数: 24

約数和(自身を含む): 1693141632

約数和(自身を除く): 887455292

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 14870, 27091, 29740, 54182, 108364, 135455, 270910, 541820, 40284317, 80568634, 161137268, 201421585, 402843170, 805686340]

約数ペア:

[(1, 805686340), (2, 402843170), (4, 201421585), (5, 161137268), (10, 80568634), (20, 40284317), (1487, 541820), (2974, 270910), (5948, 135455), (7435, 108364), (14870, 54182), (27091, 29740)]