51639780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{860663}}^1$

素因数の和:860675

約数の個数: 24

約数和(自身を含む): 144591552

約数和(自身を除く): 92951772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 860663, 1721326, 2581989, 3442652, 4303315, 5163978, 8606630, 10327956, 12909945, 17213260, 25819890, 51639780]

約数ペア:

[(1, 51639780), (2, 25819890), (3, 17213260), (4, 12909945), (5, 10327956), (6, 8606630), (10, 5163978), (12, 4303315), (15, 3442652), (20, 2581989), (30, 1721326), (60, 860663)]