38839760

素因数分解:

$2^4\times 5^1\times {\mathrm{485497}}^1$

素因数の和:485510

約数の個数: 20

約数和(自身を含む): 90302628

約数和(自身を除く): 51462868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 485497, 970994, 1941988, 2427485, 3883976, 4854970, 7767952, 9709940, 19419880, 38839760]

約数ペア:

[(1, 38839760), (2, 19419880), (4, 9709940), (5, 7767952), (8, 4854970), (10, 3883976), (16, 2427485), (20, 1941988), (40, 970994), (80, 485497)]