1375280

素因数分解:

$2^4\times 5^1\times {\mathrm{17191}}^1$

素因数の和:17204

約数の個数: 20

約数和(自身を含む): 3197712

約数和(自身を除く): 1822432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17191, 34382, 68764, 85955, 137528, 171910, 275056, 343820, 687640, 1375280]

約数ペア:

[(1, 1375280), (2, 687640), (4, 343820), (5, 275056), (8, 171910), (10, 137528), (16, 85955), (20, 68764), (40, 34382), (80, 17191)]