8812780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4951}}^1$

素因数の和:5049

約数の個数: 24

約数和(自身を含む): 18718560

約数和(自身を除く): 9905780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4951, 9902, 19804, 24755, 49510, 99020, 440639, 881278, 1762556, 2203195, 4406390, 8812780]

約数ペア:

[(1, 8812780), (2, 4406390), (4, 2203195), (5, 1762556), (10, 881278), (20, 440639), (89, 99020), (178, 49510), (356, 24755), (445, 19804), (890, 9902), (1780, 4951)]