163980730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{399953}}^1$

素因数の和:400001

約数の個数: 16

約数和(自身を含む): 302365224

約数和(自身を除く): 138384494

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 399953, 799906, 1999765, 3999530, 16398073, 32796146, 81990365, 163980730]

約数ペア:

[(1, 163980730), (2, 81990365), (5, 32796146), (10, 16398073), (41, 3999530), (82, 1999765), (205, 799906), (410, 399953)]