68609680

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2591}}^1$

素因数の和:2935

約数の個数: 40

約数和(自身を含む): 160061184

約数和(自身を除く): 91451504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2591, 2648, 3310, 5182, 5296, 6620, 10364, 12955, 13240, 20728, 25910, 26480, 41456, 51820, 103640, 207280, 857621, 1715242, 3430484, 4288105, 6860968, 8576210, 13721936, 17152420, 34304840, 68609680]

約数ペア:

[(1, 68609680), (2, 34304840), (4, 17152420), (5, 13721936), (8, 8576210), (10, 6860968), (16, 4288105), (20, 3430484), (40, 1715242), (80, 857621), (331, 207280), (662, 103640), (1324, 51820), (1655, 41456), (2591, 26480), (2648, 25910), (3310, 20728), (5182, 13240), (5296, 12955), (6620, 10364)]