51721260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20047}}^1$

素因数の和:20102

約数の個数: 48

約数和(自身を含む): 148194816

約数和(自身を除く): 96473556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 20047, 40094, 60141, 80188, 100235, 120282, 200470, 240564, 300705, 400940, 601410, 862021, 1202820, 1724042, 2586063, 3448084, 4310105, 5172126, 8620210, 10344252, 12930315, 17240420, 25860630, 51721260]

約数ペア:

[(1, 51721260), (2, 25860630), (3, 17240420), (4, 12930315), (5, 10344252), (6, 8620210), (10, 5172126), (12, 4310105), (15, 3448084), (20, 2586063), (30, 1724042), (43, 1202820), (60, 862021), (86, 601410), (129, 400940), (172, 300705), (215, 240564), (258, 200470), (430, 120282), (516, 100235), (645, 80188), (860, 60141), (1290, 40094), (2580, 20047)]