669702020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2575777}}^1$

素因数の和:2575799

約数の個数: 24

約数和(自身を含む): 1514557464

約数和(自身を除く): 844855444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2575777, 5151554, 10303108, 12878885, 25757770, 33485101, 51515540, 66970202, 133940404, 167425505, 334851010, 669702020]

約数ペア:

[(1, 669702020), (2, 334851010), (4, 167425505), (5, 133940404), (10, 66970202), (13, 51515540), (20, 33485101), (26, 25757770), (52, 12878885), (65, 10303108), (130, 5151554), (260, 2575777)]