1579520

素因数分解:

$2^9\times 5^1\times {\mathrm{617}}^1$

素因数の和:640

約数の個数: 40

約数和(自身を含む): 3793284

約数和(自身を除く): 2213764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 617, 640, 1234, 1280, 2468, 2560, 3085, 4936, 6170, 9872, 12340, 19744, 24680, 39488, 49360, 78976, 98720, 157952, 197440, 315904, 394880, 789760, 1579520]

約数ペア:

[(1, 1579520), (2, 789760), (4, 394880), (5, 315904), (8, 197440), (10, 157952), (16, 98720), (20, 78976), (32, 49360), (40, 39488), (64, 24680), (80, 19744), (128, 12340), (160, 9872), (256, 6170), (320, 4936), (512, 3085), (617, 2560), (640, 2468), (1234, 1280)]