31980370

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{35933}}^1$

素因数の和:36029

約数の個数: 16

約数和(自身を含む): 58213080

約数和(自身を除く): 26232710

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 35933, 71866, 179665, 359330, 3198037, 6396074, 15990185, 31980370]

約数ペア:

[(1, 31980370), (2, 15990185), (5, 6396074), (10, 3198037), (89, 359330), (178, 179665), (445, 71866), (890, 35933)]