227220880

素因数分解:

$2^4\times 5^1\times {\mathrm{2840261}}^1$

素因数の和:2840274

約数の個数: 20

約数和(自身を含む): 528288732

約数和(自身を除く): 301067852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2840261, 5680522, 11361044, 14201305, 22722088, 28402610, 45444176, 56805220, 113610440, 227220880]

約数ペア:

[(1, 227220880), (2, 113610440), (4, 56805220), (5, 45444176), (8, 28402610), (10, 22722088), (16, 14201305), (20, 11361044), (40, 5680522), (80, 2840261)]