52780880

素因数分解:

$2^4\times 5^1\times {\mathrm{659761}}^1$

素因数の和:659774

約数の個数: 20

約数和(自身を含む): 122715732

約数和(自身を除く): 69934852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659761, 1319522, 2639044, 3298805, 5278088, 6597610, 10556176, 13195220, 26390440, 52780880]

約数ペア:

[(1, 52780880), (2, 26390440), (4, 13195220), (5, 10556176), (8, 6597610), (10, 5278088), (16, 3298805), (20, 2639044), (40, 1319522), (80, 659761)]