28586620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13877}}^1$

素因数の和:13989

約数の個数: 24

約数和(自身を含む): 60619104

約数和(自身を除く): 32032484

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 13877, 27754, 55508, 69385, 138770, 277540, 1429331, 2858662, 5717324, 7146655, 14293310, 28586620]

約数ペア:

[(1, 28586620), (2, 14293310), (4, 7146655), (5, 5717324), (10, 2858662), (20, 1429331), (103, 277540), (206, 138770), (412, 69385), (515, 55508), (1030, 27754), (2060, 13877)]