38982890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{43801}}^1$

素因数の和:43897

約数の個数: 16

約数和(自身を含む): 70959240

約数和(自身を除く): 31976350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 43801, 87602, 219005, 438010, 3898289, 7796578, 19491445, 38982890]

約数ペア:

[(1, 38982890), (2, 19491445), (5, 7796578), (10, 3898289), (89, 438010), (178, 219005), (445, 87602), (890, 43801)]