8054020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30977}}^1$

素因数の和:30999

約数の個数: 24

約数和(自身を含む): 18215064

約数和(自身を除く): 10161044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30977, 61954, 123908, 154885, 309770, 402701, 619540, 805402, 1610804, 2013505, 4027010, 8054020]

約数ペア:

[(1, 8054020), (2, 4027010), (4, 2013505), (5, 1610804), (10, 805402), (13, 619540), (20, 402701), (26, 309770), (52, 154885), (65, 123908), (130, 61954), (260, 30977)]