8923120

素因数分解:

$2^4\times 5^1\times {\mathrm{111539}}^1$

素因数の和:111552

約数の個数: 20

約数和(自身を含む): 20746440

約数和(自身を除く): 11823320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 111539, 223078, 446156, 557695, 892312, 1115390, 1784624, 2230780, 4461560, 8923120]

約数ペア:

[(1, 8923120), (2, 4461560), (4, 2230780), (5, 1784624), (8, 1115390), (10, 892312), (16, 557695), (20, 446156), (40, 223078), (80, 111539)]