671120

素因数分解:

$2^4\times 5^1\times {\mathrm{8389}}^1$

素因数の和:8402

約数の個数: 20

約数和(自身を含む): 1560540

約数和(自身を除く): 889420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8389, 16778, 33556, 41945, 67112, 83890, 134224, 167780, 335560, 671120]

約数ペア:

[(1, 671120), (2, 335560), (4, 167780), (5, 134224), (8, 83890), (10, 67112), (16, 41945), (20, 33556), (40, 16778), (80, 8389)]