11400010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12809}}^1$

素因数の和:12905

約数の個数: 16

約数和(自身を含む): 20752200

約数和(自身を除く): 9352190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 12809, 25618, 64045, 128090, 1140001, 2280002, 5700005, 11400010]

約数ペア:

[(1, 11400010), (2, 5700005), (5, 2280002), (10, 1140001), (89, 128090), (178, 64045), (445, 25618), (890, 12809)]