223120

素因数分解:

$2^4\times 5^1\times {\mathrm{2789}}^1$

素因数の和:2802

約数の個数: 20

約数和(自身を含む): 518940

約数和(自身を除く): 295820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2789, 5578, 11156, 13945, 22312, 27890, 44624, 55780, 111560, 223120]

約数ペア:

[(1, 223120), (2, 111560), (4, 55780), (5, 44624), (8, 27890), (10, 22312), (16, 13945), (20, 11156), (40, 5578), (80, 2789)]