25239040

素因数分解:

$2^9\times 5^1\times {\mathrm{9859}}^1$

素因数の和:9882

約数の個数: 40

約数和(自身を含む): 60520680

約数和(自身を除く): 35281640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 9859, 19718, 39436, 49295, 78872, 98590, 157744, 197180, 315488, 394360, 630976, 788720, 1261952, 1577440, 2523904, 3154880, 5047808, 6309760, 12619520, 25239040]

約数ペア:

[(1, 25239040), (2, 12619520), (4, 6309760), (5, 5047808), (8, 3154880), (10, 2523904), (16, 1577440), (20, 1261952), (32, 788720), (40, 630976), (64, 394360), (80, 315488), (128, 197180), (160, 157744), (256, 98590), (320, 78872), (512, 49295), (640, 39436), (1280, 19718), (2560, 9859)]