179082020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{688777}}^1$

素因数の和:688799

約数の個数: 24

約数和(自身を含む): 405001464

約数和(自身を除く): 225919444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 688777, 1377554, 2755108, 3443885, 6887770, 8954101, 13775540, 17908202, 35816404, 44770505, 89541010, 179082020]

約数ペア:

[(1, 179082020), (2, 89541010), (4, 44770505), (5, 35816404), (10, 17908202), (13, 13775540), (20, 8954101), (26, 6887770), (52, 3443885), (65, 2755108), (130, 1377554), (260, 688777)]