40320182

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{4493}}^1$

素因数の和:5143

約数の個数: 16

約数和(自身を含む): 69243552

約数和(自身を除く): 28923370

約数列:

[1, 2, 7, 14, 641, 1282, 4487, 4493, 8974, 8986, 31451, 62902, 2880013, 5760026, 20160091, 40320182]

約数ペア:

[(1, 40320182), (2, 20160091), (7, 5760026), (14, 2880013), (641, 62902), (1282, 31451), (4487, 8986), (4493, 8974)]