25233920

素因数分解:

$2^9\times 5^1\times {\mathrm{9857}}^1$

素因数の和:9880

約数の個数: 40

約数和(自身を含む): 60508404

約数和(自身を除く): 35274484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 9857, 19714, 39428, 49285, 78856, 98570, 157712, 197140, 315424, 394280, 630848, 788560, 1261696, 1577120, 2523392, 3154240, 5046784, 6308480, 12616960, 25233920]

約数ペア:

[(1, 25233920), (2, 12616960), (4, 6308480), (5, 5046784), (8, 3154240), (10, 2523392), (16, 1577120), (20, 1261696), (32, 788560), (40, 630848), (64, 394280), (80, 315424), (128, 197140), (160, 157712), (256, 98570), (320, 78856), (512, 49285), (640, 39428), (1280, 19714), (2560, 9857)]