6821620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26237}}^1$

素因数の和:26259

約数の個数: 24

約数和(自身を含む): 15427944

約数和(自身を除く): 8606324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 26237, 52474, 104948, 131185, 262370, 341081, 524740, 682162, 1364324, 1705405, 3410810, 6821620]

約数ペア:

[(1, 6821620), (2, 3410810), (4, 1705405), (5, 1364324), (10, 682162), (13, 524740), (20, 341081), (26, 262370), (52, 131185), (65, 104948), (130, 52474), (260, 26237)]