55990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:527

約数の個数: 16

約数和(自身を含む): 110160

約数和(自身を除く): 54170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 509, 1018, 2545, 5090, 5599, 11198, 27995, 55990]

約数ペア:

[(1, 55990), (2, 27995), (5, 11198), (10, 5599), (11, 5090), (22, 2545), (55, 1018), (110, 509)]