20010400

素因数分解:

$2^5\times 5^2\times {\mathrm{25013}}^1$

素因数の和:25033

約数の個数: 36

約数和(自身を含む): 48852342

約数和(自身を除く): 28841942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25013, 50026, 100052, 125065, 200104, 250130, 400208, 500260, 625325, 800416, 1000520, 1250650, 2001040, 2501300, 4002080, 5002600, 10005200, 20010400]

約数ペア:

[(1, 20010400), (2, 10005200), (4, 5002600), (5, 4002080), (8, 2501300), (10, 2001040), (16, 1250650), (20, 1000520), (25, 800416), (32, 625325), (40, 500260), (50, 400208), (80, 250130), (100, 200104), (160, 125065), (200, 100052), (400, 50026), (800, 25013)]