200078800

素因数分解:

$2^4\times 5^2\times {\mathrm{500197}}^1$

素因数の和:500215

約数の個数: 30

約数和(自身を含む): 480690278

約数和(自身を除く): 280611478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 500197, 1000394, 2000788, 2500985, 4001576, 5001970, 8003152, 10003940, 12504925, 20007880, 25009850, 40015760, 50019700, 100039400, 200078800]

約数ペア:

[(1, 200078800), (2, 100039400), (4, 50019700), (5, 40015760), (8, 25009850), (10, 20007880), (16, 12504925), (20, 10003940), (25, 8003152), (40, 5001970), (50, 4001576), (80, 2500985), (100, 2000788), (200, 1000394), (400, 500197)]