207829520

素因数分解:

$2^4\times 5^1\times {\mathrm{2597869}}^1$

素因数の和:2597882

約数の個数: 20

約数和(自身を含む): 483203820

約数和(自身を除く): 275374300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2597869, 5195738, 10391476, 12989345, 20782952, 25978690, 41565904, 51957380, 103914760, 207829520]

約数ペア:

[(1, 207829520), (2, 103914760), (4, 51957380), (5, 41565904), (8, 25978690), (10, 20782952), (16, 12989345), (20, 10391476), (40, 5195738), (80, 2597869)]