20760800

素因数分解:

$2^5\times 5^2\times {\mathrm{25951}}^1$

素因数の和:25971

約数の個数: 36

約数和(自身を含む): 50684256

約数和(自身を除く): 29923456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25951, 51902, 103804, 129755, 207608, 259510, 415216, 519020, 648775, 830432, 1038040, 1297550, 2076080, 2595100, 4152160, 5190200, 10380400, 20760800]

約数ペア:

[(1, 20760800), (2, 10380400), (4, 5190200), (5, 4152160), (8, 2595100), (10, 2076080), (16, 1297550), (20, 1038040), (25, 830432), (32, 648775), (40, 519020), (50, 415216), (80, 259510), (100, 207608), (160, 129755), (200, 103804), (400, 51902), (800, 25951)]