207957520

素因数分解:

$2^4\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2551}}^1$

素因数の和:3583

約数の個数: 40

約数和(自身を含む): 484165440

約数和(自身を除く): 276207920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019, 2038, 2551, 4076, 5095, 5102, 8152, 10190, 10204, 12755, 16304, 20380, 20408, 25510, 40760, 40816, 51020, 81520, 102040, 204080, 2599469, 5198938, 10397876, 12997345, 20795752, 25994690, 41591504, 51989380, 103978760, 207957520]

約数ペア:

[(1, 207957520), (2, 103978760), (4, 51989380), (5, 41591504), (8, 25994690), (10, 20795752), (16, 12997345), (20, 10397876), (40, 5198938), (80, 2599469), (1019, 204080), (2038, 102040), (2551, 81520), (4076, 51020), (5095, 40816), (5102, 40760), (8152, 25510), (10190, 20408), (10204, 20380), (12755, 16304)]