87815260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337751}}^1$

素因数の和:337773

約数の個数: 24

約数和(自身を含む): 198598176

約数和(自身を除く): 110782916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337751, 675502, 1351004, 1688755, 3377510, 4390763, 6755020, 8781526, 17563052, 21953815, 43907630, 87815260]

約数ペア:

[(1, 87815260), (2, 43907630), (4, 21953815), (5, 17563052), (10, 8781526), (13, 6755020), (20, 4390763), (26, 3377510), (52, 1688755), (65, 1351004), (130, 675502), (260, 337751)]